If \( \cot ^{-1} 7+\cot ^{-1} 8+\cot ^{-1} 18=\theta \), then \( \cot \theta= \)
(a) \( 1 / 3 \)...
If \( \cot ^{-1} 7+\cot ^{-1} 8+\cot ^{-1} 18=\theta \), then \( \cot \theta= \)
(a) \( 1 / 3 \)
(b) 3
(c) \( 1 / 2 \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live
Other Videos By PW Solutions
| 2023-06-08 | If \( \left(\sin ^{-1} x\right)^{2}+\left(\cos ^{-1} x\right)^{2}=\frac{5 \pi^{2}}{8} \), then \... |
| 2023-06-08 | If \( \cos ^{-1} x\sin ^{-1} x \), then:
(a) \( x0 \)
(b) \( -1x0 \)
(c) \( 0 \leq x\frac{1}{\sq... |
| 2023-06-08 | Solution set of inequation \( \left(\cos ^{-1} x\right)^{2}-\left(\sin ^{-1} x\right)^{2}0 \) is... |
| 2023-06-08 | Number of solutions of the equation \( \sin ^{-1}\left(x^{2}+4 x+3\right)+\cos ^{-1}\left(x^{2}+... |
| 2023-06-08 | If \( \sin ^{-1} x+\cot ^{-1}\left(\frac{1}{2}\right)=\frac{\pi}{2} \), then \( x \) is:
(a) 0
(... |
| 2023-06-08 | If \( \sin ^{-1}\left(\tan \frac{\pi}{4}\right)-\sin ^{-1} \sqrt{\frac{3}{x}}-\frac{\pi}{6}=0 \)... |
| 2023-06-08 | Solution of equation \( \tan \left(\cos ^{-1} x\right)=\sin \left(\cot ^{-1} \frac{1}{2}\right) ... |
| 2023-06-08 | The value of \( \tan \left[\cos ^{-1}\left(\frac{4}{5}\right)+\tan ^{-1}\left(\frac{2}{3}\right)... |
| 2023-06-08 | For which value of \( x \), \( \sin \left(\cot ^{-1}(x+1)\right)=\cos \left(\tan ^{-1} x\right) ... |
| 2023-06-08 | Let \( f(x)=\sin ^{-1} x \) and \( g(x)=\frac{x^{2}-x-2}{2 x^{2}-x-6} \).
If \( g(2)=\lim _{x \r... |
| 2023-06-08 | If \( \cot ^{-1} 7+\cot ^{-1} 8+\cot ^{-1} 18=\theta \), then \( \cot \theta= \)
(a) \( 1 / 3 \)... |
| 2023-06-08 | If \( 3 \sin ^{-1} \frac{2 x}{1+x^{2}}-4 \cos ^{-1} \frac{1-x^{2}}{1+x^{2}} \) \( +2 \tan ^{-1} ... |
| 2023-06-08 | If \( \theta=\cot ^{-1} \sqrt{\cos x}-\tan ^{-1} \sqrt{\cos x} \), then \( \sin \theta= \)
(a) \... |
| 2023-06-08 | The value of \( \cos \left(2 \cos ^{-1} x+\sin ^{-1} x\right) \) at \( x=\frac{1}{5} \) is:
(a) ... |
| 2023-06-08 | \( \sin \left[\cot ^{-1} \cos \tan ^{-1} x\right] \) is equal to:
(a) \( \sqrt{\left(\frac{x^{2}... |
| 2023-06-08 | \( \tan \left[\frac{1}{2} \cos ^{-1}\left(\frac{\sqrt{5}}{3}\right)\right]= \)
(a) \( \frac{3-\s... |
| 2023-06-08 | If \( \sin ^{-1} x+\sin ^{-1} y=\frac{2 \pi}{3} \), then \( \cos ^{-1} x+\cos ^{-1} y= \)
(a) \(... |
| 2023-06-08 | If \( a \leq \tan ^{-1} x+\cot ^{-1} x+\sin ^{-1} x \leq b \). Then
(a) \( a=0, b=\pi \)
(b) \( ... |
| 2023-06-08 | Let \( f \) be a one-one function with domain \( \{x, y, z\} \) and range \( \{1,2,3\} \). It is... |
| 2023-06-08 | If range of the function \( f(x)=\tan ^{-1}\left(3 x^{2}+b x+3\right), x \in R \) is \( \left[0,... |
| 2023-06-08 | Let \( a \in R \) and let \( f: R \rightarrow R \) be given by \( f(\mathrm{x})=x^{5}-5 x+a \). ... |
0