$\frac{1}{\tan 3A - \tan A} - \frac{1}{\cot 3A - \cot A} = $

  • A
    $\tan A$
  • B
    $\tan 2A$
  • C
    $\cot A$
  • D
    $\cot 2A$

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$\sin 20^\circ \sin 40^\circ \sin 60^\circ \sin 80^\circ = $

જો $\tan x = -\frac{4}{3}$ અને $x$ એ બીજા ચરણમાં હોય,તો $\sin \frac{x}{2}, \cos \frac{x}{2}$ અને $\tan \frac{x}{2}$ શોધો.

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જો $a \tan \theta = b$ હોય,તો $a \cos 2\theta + b \sin 2\theta = $

સાબિત કરો કે $\tan 3x \tan 2x \tan x = \tan 3x - \tan 2x - \tan x$.

જો $3 \sin x + 4 \cos x = 5$ હોય,તો $6 \tan \frac{x}{2} - 9 \tan^2 \frac{x}{2}$ ની કિંમત શોધો.

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