Practicing Success
Practicing Success
CUET Preparation Today
The value of x given by $cos(tan^{-1}x)=sin(cot^{-1}\frac{3}{4})$ is : |
$\frac{1}{4}$ $\frac{3}{4}$ $\frac{3}{2}$ 1 |
$\frac{3}{4}$ |
The correct answer is Option (2) → $\frac{3}{4}$ $\cos(\tan^{-1}x)=\sin(\cot^{-1}\frac{3}{4})$ $⇒\frac{\pi}{2}-\tan^{-1}x=\cot^{-1}\frac{3}{4}⇒x=\frac{3}{4}$ |
