Trigonometry Quiz 1

If tan A = $\frac43,$ the value of sin A is

If sin $\theta$ + cos $\theta$ = $\sqrt2$ cos $\theta$, ($\theta$ $\neq0^\circ)$ then the value of $tan\,\theta$ is:

Given that sin $\alpha$ = $\frac{\sqrt3}2$ and cos $\beta$ = 0, then the value of $\beta-\alpha$ is:

If cos A = $\frac{4}{5}$ then the value of tan A is :

The value of (1 + cos $\theta$) (1 - cos $\theta$) $cosec^2\,\theta$ is:

4 $tan^2$ A - 4 $sec^2$ A is equal to:

If 3 cos $\theta$ = 1, then cosec $\theta$ is equal to:

Simplest form of (1 - $cos^2$ A) $(1+cot^2A)$ is ......... .

The value of (sin $30^\circ$ + cos $30^\circ$) $-(sin\,60^\circ+cos\,60^\circ)$ is

The value of $\frac{tan\,30^\circ}{cot\,60^\circ}$ is

The value of (sin $45^\circ$ + cos $45^\circ$) is

If 6cot $\theta$ + 2cosec $\theta$ = cot $\theta$ + 5cosec $\theta$, then $cos\,\theta$ is

If sin A = $\frac12$, then the value of cot A is

Given that sin $\theta$ = $\frac ab$, then cos $\theta$ is equal to

If sin A + $sin^2$ A = 1, then the value of the expression $(cos^2A+cos^4A)$ is