$\sec ^{2} \theta - \frac{\sin ^{2} \theta - 2 \sin ^{4} \theta}{2 \cos ^{4} \theta - \cos ^{2} \theta}$ ની કિંમત શોધો.

  • A
    $1$
  • B
    $2$
  • C
    $-1$
  • D
    $0$

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જો $\frac{\sin A - \sin C}{\cos C - \cos A} = \cot B$ હોય,તો $A, B, C$ એ શેમાં છે?

$4\sin^2 x + 3\cos^2 x$ ની મહત્તમ કિંમત કેટલી છે?

જો $A, B, C$ એ ત્રિકોણના ખૂણાઓ હોય,તો $\sin^2 A + \sin^2 B + \sin^2 C - 2\cos A \cos B \cos C = $

જો $A + B + C = \pi$ હોય,તો $\tan^2 \frac{A}{2} + \tan^2 \frac{B}{2} + \tan^2 \frac{C}{2}$ હંમેશા કેટલા થાય?

$\sin 600^\circ \cos 330^\circ + \cos 120^\circ \sin 150^\circ$ ની કિંમત શોધો.

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