List of top Mathematics Questions on Trigonometry asked in MHT CET

$\tan 3A \cdot \tan 2A \cdot \tan A =$

With usual notations, in any $\Delta ABC$, if $a\cos B = b\cos A$, then the triangle is

If $2 \tan^{-1}(\cos x) = \tan^{-1}(2 \csc x)$, then the value of $x$ is

If $2 \cos \theta = x + \frac{1}{x}$, then $2 \cos 3\theta =$

In $\Delta ABC$, with usual notations $\frac{b\sin B - c\sin C}{\sin(B-C)} =$

If the angles $A$, $B$, and $C$ of a triangle are in an arithmetic progression and if $a$, $b$, and $c$ denote the lengths of the sides opposite to $A$, $B$, and $C$ respectively, then the value of the expression $\frac{a}{c} \sin 2C + \frac{c}{a} \sin 2A$ is

The principal solutions of the equation $\sec x+\tan x=2\cos x$ are

In $\triangle ABC$, with usual notations, $2ac \sin\left(\frac{A-B+C}{2}\right)$ is equal to

If $\sin(\theta-\alpha)$, $\sin~\theta$ and $\sin(\theta+\alpha)$ are in H.P., then the value of $\cos~2\theta$ is