If \( \cos 9 \alpha=\sin \alpha \) and \( 9 \alpha90^{\circ} \), then the value of \( \tan 5 \al... VIDEO
If \( \cos 9 \alpha=\sin \alpha \) and \( 9 \alpha90^{\circ} \), then the value of \( \tan 5 \alpha \) ishttps://bit.ly/YTAI_PWAP https://www.pw.live
Other Videos By PW Solutions 2023-07-14 The value of \( \cos ^{2} \theta+\frac{1}{1+\cot ^{2} \theta} \) is
a. \( \sqrt{3} \)
b. 1
c. \(... 2023-07-14 If \( \cos X=\frac{2}{3} \) then \( \tan X \) is equal to:
a. \( \frac{5}{2} \)
b. \( \sqrt{\fra... 2023-07-14 \( \left(\sin 30^{\circ}+\cos 60^{\circ}\right)-\left(\sin 60^{\circ}+\cos 30^{\circ}\right) \) ... 2023-07-14 The value of \( \frac{\sin 45^{\circ}}{\cos 45^{\circ}} \) is equal to:
a. 0
b. 1
c. 2
d. Not de... 2023-07-14 In a \( \triangle \mathrm{ABC} \), right angled at \( \mathrm{B}, \mathrm{AB}=24 \mathrm{~cm} \)... 2023-07-14 If \( \sin \theta=\frac{1}{3} \), then the value of \( 2 \cot ^{2} \theta+2 \) is
a. 6
b. 1
c. 1... 2023-07-14 If \( 4 \tan A=3 \), then \( \frac{4 \sin A-\cos A}{4 \sin A+\cos A}= \) ?
a. \( \frac{2}{3} \)
... 2023-07-14 If \( \cos (A+B)=0 \), then the value of \( \sin (A-B) \) is:
a. \( \cos \mathrm{A} \)
b. \( \co... 2023-07-14 \[
\frac{\cos \left(90^{\circ}-\mathrm{A}\right) \sin \left(90^{\circ}-\mathrm{A}\right)}{\tan \... 2023-07-14 If a \( 6 \mathrm{~m} \) high wall casts a shadow \( 2 \sqrt{3} \mathrm{~m} \) long on the groun... 2023-07-14 If \( \cos 9 \alpha=\sin \alpha \) and \( 9 \alpha90^{\circ} \), then the value of \( \tan 5 \al... 2023-07-14 The value of \( \left(\frac{\sin ^{2} 22^{\circ}+\sin ^{2} 68^{\circ}}{\cos ^{2} 22^{\circ}+\cos... 2023-07-14 If \( \sin A=1 / 2 \) and \( \cos B=1 / 2 \), then \( A+B=? \)
a. \( 45^{\circ} \)
b. \( 30^{\ci... 2023-07-14 The value of \( \left(\tan 1^{\circ} \tan 2^{\circ} \tan 3^{\circ} \ldots \tan 89^{\circ}\right)... 2023-07-14 The value of the expression \( \left[\operatorname{cosec}\left(75^{\circ}+\theta\right)-\sec \ri... 2023-07-14 Given that: \( \sin \mathrm{A}=\mathrm{a} / \mathrm{b} \), then \( \cos \mathrm{A}= \) ?
a. \( \... 2023-07-14 If \( \sin \mathrm{A}+\sin ^{2} \mathrm{~A}=1 \), then \( \cos ^{2} \mathrm{~A}= \) ?
a. \( \sin... 2023-07-14 The value of \( \sin \theta \) and \( \cos \left(90^{\circ}-\theta\right) \)
a. Are same
b. Are ... 2023-07-14 If the value of \( \cos A=4 / 5 \), then \( \tan A= \) ?
a. 1
b. \( 3 / 4 \)
c. \( 4 / 3 \)
d. \... 2023-07-14 \[
\left(\sin 30^{\circ}+\cos 30^{\circ}\right)-\left(\sin 60^{\circ}+\cos 60^{\circ}\right)
\]
... 2023-07-14 \[
\sec ^{2} \theta-1=?
\]
a. \( \tan ^{2} \theta \)
b. \( \tan ^{2} \theta+1 \)
c. \( \cot ^{2}...
0