જો $\cos A = \frac{\sqrt{3}}{2}$ હોય,તો $\tan 3A = $

  • A
    $0$
  • B
    $1/2$
  • C
    $1$
  • D
    $\infty$

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જો $\sec x + \tan x = 2$,જ્યાં $0 < x < \frac{\pi}{2}$ હોય,તો $\sin \frac{x}{4}$ ની કિંમત શોધો.

ધારો કે $f_n(x) = \tan \frac{x}{2}(1 + \sec x)(1 + \sec 2x) \dots (1 + \sec 2^n x)$, તો

કિંમત શોધો: $\cos^2 A(3 - 4\cos^2 A)^2 + \sin^2 A(3 - 4\sin^2 A)^2$

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