| 2024-05-22 | Prove \(cos\ 70{^\circ} \cdot cos\ 10{^\circ} + sin\ 70{^\circ} \cdot sin\ 10{^\circ} = \frac{1}... | 0:49 | 0 | |
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| 2024-05-22 | What is the value of tan(–1215°)?... | 1:15 | 0 | |
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| 2024-05-22 | What is the value of sin 150°?... | 0:45 | 0 | |
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| 2024-05-22 | What is the value of cos(–210°)?... | 0:57 | 1 | |
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| 2024-05-22 | The incorrect statement is... | 0:22 | 0 | |
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| 2024-05-22 | Prove that: cos(\(\pi\)/8) + cos(3\(\pi\)/8) + cos(5\(\pi\)/8) + cos(7\(\pi\)/8) = 0... | 1:17 | 0 | |
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| 2024-05-22 | If A, B, C are the angles of triangle, show that; sin(A + B) = sinC... | 0:44 | 0 | Show |
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| 2024-05-22 | Find the value of A if sin3A = cosA.... | 0:33 | 0 | |
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| 2024-05-22 | If \(cot\ x = - \frac{5}{12}\), \(x\) lines in second quadrant, find the values of other five tr... | 3:06 | 1 | |
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| 2024-05-22 | Prove that : tan25° + sin35° + sec40° = cot65° + cos55° + cosec50°... | 1:04 | 0 | |
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| 2024-05-22 | Find the value of tan855°.... | 1:13 | 0 | |
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| 2024-05-22 | Convert 3 radians to degrees.... | 0:18 | 0 | |
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| 2024-05-22 | Find the value of \(cos( - 1710{^\circ})\)... | 1:00 | 0 | |
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| 2024-05-22 | Prove that \(cos\ 105{^\circ} + cos\ 15{^\circ} = sin\ 75{^\circ} - sin\ 15{^\circ}\)... | 0:47 | 0 | |
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| 2024-05-22 | If \(\text{tan\ x}\frac{3}{4},\) \(\pi < x < \frac{3\pi}{2}\), find the value of \(\sin\fr... | 2:54 | 2 | |
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| 2024-05-22 | Find the value of \(\tan\frac{19\pi}{3}\)... | 0:38 | 1 | |
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| 2024-05-22 | Find the value of \(\sin\frac{31\pi}{3}\)... | 0:42 | 0 | |
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| 2024-05-22 | If \(sin\ A = \frac{3}{5}\) and \(\frac{\pi}{2} < A <\) find \(\text{cos\ A}\)... | 0:59 | 0 | |
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| 2024-05-22 | The value of \(cos\ 180{^\circ}\)... | 0:09 | 1 | |
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| 2024-05-22 | Find the value of \(sin( - 1125{^\circ})\)... | 1:28 | 0 | |
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| 2024-05-22 | The value of cos 5\(\pi\) is... | 0:33 | 0 | |
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| 2024-05-22 | Find the angle in radius though which a pendulum swings if its length is 75 cm and the tip descr... | 0:35 | 0 | |
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| 2024-05-22 | Find the angle in radius though which a pendulum swings if its length is 75 cm and the tip descr... | 1:24 | 0 | |
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| 2024-05-22 | A wheel makes 360 revolutions in one minute. Through how many radians does it turn in one second... | 1:49 | 0 | |
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| 2024-05-22 | Find the angle in radius though which a pendulum swings if its length is 75 cm and the tip descr... | 0:49 | 0 | |
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| 2024-05-22 | Find the value of sin(60° + \(\theta\) ) – cos(30° – \(\theta\) )... | 0:55 | 0 | |
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| 2024-05-22 | The minute hand of a watch is 1.5 cm long. How far does its tip move in 40 minutes?(Use \(\pi\)... | 2:00 | 0 | |
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| 2024-05-22 | Evaluate : sin . Sec (90 – \(\theta\))... | 0:19 | 0 | |
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| 2024-05-22 | If angle of arc is 60° and the length of arc is 20 cm. Find the radius of the circle from which a... | 1:32 | 0 | |
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| 2024-05-22 | If the arcs of the same lengths in two circles subtend angles 65° and 110° at the centre, find t... | 1:14 | 3 | |
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| 2024-05-22 | Find the radius of the circle in which a central angle of 60° intercepts an arc of length 37.4 c... | 1:40 | 1 | |
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| 2024-05-22 | If minute hand covers 24 cm length in 30 minutes, then how much length minute hand have?... | 1:07 | 1 | |
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| 2024-05-22 | The second hand of the watch is 2 cm long. How far the tip will move in 40 seconds?... | 2:45 | 0 | |
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| 2024-05-22 | If in two circles, arcs of the same length subtend angles 45° and 60° at centre, find the ratio o... | 1:16 | 1 | |
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| 2024-05-22 | If length of arc is 40 cm and radius of circle of arc is 10 cm then find the angle made by the ar... | 1:30 | 1 | |
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| 2024-05-22 | 4 radians = ______... | 1:54 | 2 | |
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| 2024-05-22 | If the initial side is overlapping on the terminal side, then single is_____... | 0:39 | 1 | |
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| 2024-05-22 | Convert 45° to radians (1) \(\frac{1}{4}\pi\) radians (2) \(\frac{1}{2}\pi\) radians (3) \(\frac... | 0:33 | 0 | |
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| 2024-05-22 | Determine how the angle \(\frac{7}{8}\pi\) radians is classified. (1) Acute (2) Right (3) Obtuse... | 1:10 | 0 | |
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| 2024-05-22 | Convert \(\frac{3\pi}{2}\)radians to degrees. (1) 150° (2) 270° (3) 330° (4) 360°... | 0:28 | 1 | |
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| 2024-05-22 | Convert 30° to radians (1) \(\frac{1}{4}\pi\) radians (2) \(\frac{1}{8}\pi\) radians (3) \(\frac... | 0:27 | 0 | |
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| 2024-05-22 | Convert \(\pi\) radians to degrees. (1) 90° (2) 120° (3) 150° (4) 180°... | 0:16 | 0 | |
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| 2024-05-22 | Convert 6 radians into degree measure.... | 2:05 | 1 | |
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| 2024-05-22 | Convert 40° 20’ into radian measure.... | 1:22 | 0 | |
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| 2024-05-22 | Find the value of 1° in degree minute and second.... | 1:29 | 1 | |
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| 2024-05-22 | What is the value of 1 radian?... | 0:29 | 0 | |
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| 2024-05-22 | What is the value of 1 degree?... | 0:20 | 0 | |
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| 2024-05-22 | Convert 18°30’42’’ into the degree.... | 1:20 | 1 | |
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| 2024-05-22 | Write 3.25° in degrees, minutes and seconds.... | 1:22 | 2 | |
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| 2024-05-22 | Convert 450 degrees into radians... | 1:05 | 0 | |
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| 2024-05-22 | Convert 200 degrees into radians... | 0:56 | 2 | |
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| 2024-05-22 | If sin A = cos A, find the value of \(2tan^{2}A + sin^{2}A + 1.\)... | 1:00 | 1 | |
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| 2024-05-22 | Express cos A in terms of cot A.... | 2:38 | 0 | |
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| 2024-05-22 | Find the value of cos \(\theta\) + sec \(\theta\), when it is given that cos \(\theta\) = 1/2... | 0:26 | 0 | |
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| 2024-05-22 | Find the value of tan(65° – \(\theta\)) – cot(25° + \(\theta\))... | 0:38 | 0 | |
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| 2024-05-22 | If sin = x and sec = y then find the value of cot \(\theta\).... | 0:33 | 0 | |
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| 2024-05-22 | Given tan A = 5/12, find the other trigonometric ratios of the angle A.... | 2:14 | 0 | |
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| 2024-05-22 | Find the value of \((cosec^{2}\theta - I) \cdot \text{ta}n^{2}\theta\)... | 0:22 | 0 | |
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| 2024-05-22 | From the given figure, find the value of x:... | 1:29 | 2 | |
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| 2024-05-22 | Write the simplest value of \(\frac{\text{co}s^{2}\theta}{\text{sin\ }\theta} + sin\ \theta\)... | 0:39 | 2 | |
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| 2024-05-22 | Write the values of sec 0°, sec 30°, sec 45°, sec 60° and sec 90°. What happens to sec x when x... | 1:19 | 1 | |
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| 2024-05-22 | If (1 + cos A) (1 – cos A) = 3/4, find the value of sec A.... | 1:04 | 8 | |
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| 2024-05-22 | The value of the expression [cosec (75° + \(\theta\) ) – sec (15° – \(\theta\) ) – tan (55° + \(\... | 1:34 | 1 | |
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| 2024-05-22 | If tan A = cot B, prove that A + B = 90°.... | 0:52 | 1 | |
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| 2024-05-22 | If \(cos\ A = \frac{2}{5}\), find the value of \(4 + 4tan^{2}A\)... | 1:17 | 1 | |
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| 2024-05-22 | The value of (tan 1° tan 2° tan 3° ..... tan 89°) is... | 2:02 | 0 | |
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| 2024-05-22 | If \(\Delta\) ABC is right angled at C, then the value of cos (A + B) is... | 1:05 | 1 | |
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| 2024-05-22 | If sin A = 1/2, then the value of cot A is... | 0:17 | 0 | |
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| 2024-05-22 | The value of (sin 45° + cos 45°) is... | 0:19 | 2 | |
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| 2024-05-22 | sin 2A = 2 sin A is true when A =... | 0:20 | 0 | |
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| 2024-05-22 | \(2\ tan\ 30{^\circ}/(1 + tan^{2}30{^\circ}) =\)... | 1:05 | 0 | |
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| 2024-05-22 | If \(cos\ X = a/b\), then sin X is equal to:... | 0:59 | 1 | |
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| 2024-05-22 | If cos X = 2/3 then tan X is equal to:... | 1:31 | 0 | |
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| 2024-05-22 | The value of sin 60° cos 30° + sin 30° cos 60° is:... | 0:36 | 0 | |
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| 2024-05-22 | sin(90° – A) and cos A are:... | 0:14 | 2 | |
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| 2024-05-22 | \(1 - cos^{2}A\) is equal to..... | 0:20 | 1 | |
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| 2024-05-22 | The value of tan 60°/ cot 30° is equal to:... | 0:27 | 1 | |
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| 2024-05-22 | (sin 30° + cos 60°) – (sin 60° + cos 30°) is equal to:... | 1:33 | 0 | |
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| 2024-05-22 | In \(\Delta\) ABC, right-angled at B, AB = 24 cm, BC = 7cm. The value of tan C is:... | 1:04 | 0 | |
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| 2024-05-22 | Assertion: If \(a_{1} + a_{4} + a_{7} + a_{10} + a_{13} + a_{16} = 147\), then \(a_{1} + a_{6} +... | 1:46 | 1 | |
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| 2024-05-22 | How many 3-digits numbers are divisible by 7?... | 1:42 | 0 | |
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| 2024-05-22 | If 7 times the 7th term of an AP is equal to 11 times its 11th term, show that the 18th term of... | 0:53 | 0 | Show |
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| 2024-05-22 | Let A = {1,2,3,4} and B = {5,7,9}. Determine is n (A × B) = n (B × A)?... | 0:36 | 0 | |
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| 2024-05-22 | The sum of some terms of a GP is 254. Its first term is 2 and the common ratio is 2. Find the num... | 1:00 | 0 | |
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| 2024-05-22 | Find the common ratio of a GP whose sum of infinite terms is 8 and its second term is 2.... | 1:25 | 1 | |
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| 2024-05-22 | Find the sum of all natural numbers lying between 100 and 1000, which are multiples of 5.... | 3:08 | 1 | |
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| 2024-05-22 | In an A.P, the first term is 2, and the sum of the first five terms is one-fourth of the next fi... | 2:19 | 3 | |
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| 2024-05-22 | If the sum of a certain number of terms of the A.P. 25, 22, 19, … is 116. Find the last term.... | 1:29 | 2 | |
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| 2024-05-22 | Find the sum to n terms of the A.P., whose kth term is 5k + 1.... | 1:12 | 0 | |
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| 2024-05-22 | The sum of some terms of a GP is 315. Its first term is 5 and the common ratio is 2. Find the num... | 1:56 | 2 | |
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| 2024-05-22 | Write the fifth term of the sequence \(a_{n} = {( - 1)}^{n + 1}{(5)}^{n_{} + 1}\)... | 0:25 | 0 | |
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| 2024-05-22 | Find the sum of all even integers from 250 to 350... | 1:41 | 2 | |
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| 2024-05-22 | The fourth term in an arithmetic sequence is -20, and the eighth term is -10. What is the hundred... | 2:15 | 0 | |
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| 2024-05-22 | Consider the sequence: 2, 5, 8, 11, ... What is the fifteenth term in the sequence?... | 0:34 | 0 | |
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| 2024-05-22 | Find the sum 3 + 1 + \(\frac{1}{3} + \frac{1}{9}\)+ ……... | 0:33 | 0 | |
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| 2024-05-22 | Find the sum of all natural numbers lying between 100 and 1000, which are multiples of 5.... | 2:22 | 2 | |
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| 2024-05-22 | Evaluate \(1\ - \ \frac{2}{3} + \frac{4}{9} - \frac{8}{27}\)... | 0:26 | 0 | |
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| 2024-05-22 | How many terms of the A.P. \(- 6, - \frac{11}{2}, - 5,.....\) are needed to give the sum –25? Ex... | 2:41 | 4 | |
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| 2024-05-22 | Find the 28th term from the end of the AP 6, 9, 12, 15, 18, …, 102.... | 1:43 | 2 | |
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| 2024-05-22 | Find the sum of odd integers from 1 to 2001.... | 1:32 | 0 | |
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