List of top Mathematics Questions on Trigonometry asked in COMEDK UGET

If \( \tan \alpha=\frac{1}{7} \) and \( \sin \beta=\frac{1}{\sqrt{10}},\; 0<\alpha,\beta<\frac{\pi}{2} \) then \( 2\beta \) is equal to
The value of \( \tan\!\left\{ \cos^{-1}\!\left(\frac{\sqrt{2}}{2}\right) - \frac{\pi}{2} \right\} \) is __________.
If \( \sin x + \sin^2 x = 1 \) then \( \cos^8 x + 2\cos^6 x + \cos^4 x \) is equal to:
The value of \( \frac{\sin^2 20^\circ + \cos^4 20^\circ}{\sin^4 20^\circ + \cos^2 20^\circ} \) is :
The value of \( \tan^{-1} \left( \tan \frac{7\pi}{6} \right) \text{ is:} \)
Simplified expression of \[ 1 - \frac{\sin^2 y}{1 + \cos y} + \frac{1 + \cos y}{\sin y} - \frac{\sin y}{1 - \cos y} \]
If \( \cos A = \frac{3}{4} \), then \( 32 \sin \frac{A}{2} \sin \frac{5A}{2} = \text{?} \)