જો $\frac{{\sin^4 A}}{a} + \frac{{\cos^4 A}}{b} = \frac{1}{{a + b}}$ હોય,તો $\frac{{\sin^8 A}}{{a^3}} + \frac{{\cos^8 A}}{{b^3}}$ ની કિંમત કેટલી થાય?

  • A
    $\frac{1}{{(a + b)^3}}$
  • B
    $\frac{{a^3 b^3}}{{(a + b)^3}}$
  • C
    $\frac{{a^2 b^2}}{{(a + b)^2}}$
  • D
    આમાંથી કોઈ નહીં

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જો $A$ બીજા ચરણમાં હોય અને $3\tan A + 4 = 0$ હોય,તો $2\cot A - 5\cos A + \sin A$ ની કિંમત શોધો.

જો $A + B + C = 180^\circ$ હોય,તો $\sum \tan \frac{A}{2} \tan \frac{B}{2} = $

જો $\cos \theta - \sin \theta = \sqrt{2} \sin \theta$ હોય,તો $\cos \theta + \sin \theta$ ની કિંમત કેટલી થાય?

$\sin ^2 \frac{\pi }{8} + \sin ^2 \frac{3\pi }{8} + \sin ^2 \frac{5\pi }{8} + \sin ^2 \frac{7\pi }{8} = $

જો $f(x) = \cos^2 x + \sec^2 x$ હોય,તો

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