Let \( S=\left\{\theta \in[-\pi, \pi]-\left\{ \pm \frac{\pi}{2}\right\}: \sin \theta \tan \theta...
Let \( S=\left\{\theta \in[-\pi, \pi]-\left\{ \pm \frac{\pi}{2}\right\}: \sin \theta \tan \theta+\tan \theta=\sin 2 \theta\right\} \). If
- \( T=\sum_{\theta \in S} \cos 2 \theta \), then \( T+n(S) \) is equal
(a) \( 7+\sqrt{3} \)
(b) 9
(c) \( 8+\sqrt{3} \)
(d) 10
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live
Other Videos By PW Solutions
2023-06-19 | For every natural number \( n, n(n+3) \) is always-
(a) Multiple of 4
(b) Multiple of 5
(c) Even... |
2023-06-19 | The sum of the cubes of three consecutive natural numbers is divisible by- (a) 2 (b) 5 (c) 7 (d) 9 |
2023-06-19 | Let \( \alpha \) and \( \beta \) be non-zero real numbers such that \( 2(\cos \beta-\cos \alpha)... |
2023-06-19 | The general solution of the trigonometric equation is \( \sin x+\cos x=1 \) is given by
(a) \( x... |
2023-06-19 | Find the general solution of the equation \( |2 \tan x-1|+\mid 2 \) \( \cot x-1 \mid=2 \). |
2023-06-19 | The number of elements in the set \( S=\left\{\theta \in[-4 \pi, 4 \pi]: 3 \cos ^{2} 2 \theta+6 ... |
2023-06-19 | The set of all \( x \) in the interval \( [0, \pi] \) for which \( 2 \sin ^{2} x-3 \) \( \sin x+... |
2023-06-19 | The number of integral values of \( k \) for which the equation \( 3 \sin x+4 \cos x=k+1 \) ha... |
2023-06-19 | The number of solutions of the equation
\( \cos \left(x+\frac{\pi}{3}\right) \cos \left(\frac{\p... |
2023-06-19 | The equation \( 2 \cos ^{2} \frac{x}{2} \sin ^{2} x=x^{2}+x^{-2} ; 0x \leq \frac{\pi}{2} \) has
... |
2023-06-19 | Let \( S=\left\{\theta \in[-\pi, \pi]-\left\{ \pm \frac{\pi}{2}\right\}: \sin \theta \tan \theta... |
2023-06-19 | Let
\[
S=\left\{\theta \in\left(0, \frac{\pi}{2}\right) ; \sum_{m=1}^{9} \sec \left(\theta+(m-1)... |
2023-06-19 | The number of solutions of \( |\cos x|=\sin x \), such that \( -4 \pi \leq x \leq 4 \pi \) is:
(... |
2023-06-19 | The number of elements in the set
\[
S=\left\{x \in \mathbb{R}: 2 \cos \left(\frac{x^{2}+x}{6}\r... |
2023-06-19 | Prove that \( 2^{\sin x}+2^{\cos x} \geq 2^{1-\frac{1}{\sqrt{2}}} \) for all real \( x \). |
2023-06-19 | Solve the system of equations,
\[
\begin{array}{l}
\sin x \sin y=\sqrt{3} / 4 \\
\cos x \cos y=\... |
2023-06-19 | Find the general solution of the equation
\[
\frac{1+\sin x+\sin ^{2} x+\sin ^{3} x+\ldots \ldot... |
2023-06-19 | Solve for \( x:|\cos x|^{\sin ^{2} x-\frac{3}{2} \sin x+\frac{1}{2}}=1 \) |
2023-06-19 | Find the sum of all the roots of the equation, \( \sin \sqrt{x}=-1 \), which are less than \( 10... |
2023-06-19 | Find the value of \( \alpha \) and \( \beta, 0\alpha, \beta\frac{\pi}{2} \); satisfying the foll... |
2023-06-19 | Find all values of \( k, x \) and \( y \) for which the system of equations satisfies
\[
\begin{... |