$\sin ^{2} 1^{\circ} + \sin ^{2} 3^{\circ} + \sin ^{2} 87^{\circ} + \sin ^{2} 89^{\circ} = \ldots$

  • A
    $0$
  • B
    $1$
  • C
    $2$
  • D
    $4$

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Similar Questions

$\cot \theta \cdot \tan \theta = \dots$

यदि $\sin A + \sin^2 A = 1$ है,तो व्यंजक $(\cos^2 A + \cos^4 A)$ का मान क्या है?

Difficult
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$\frac{\cos ^{2} 40^{\circ}+\cos ^{2} 50^{\circ}}{\sin ^{2} 40^{\circ}+\sin ^{2} 50^{\circ}}=\ldots \ldots \ldots \ldots$

यदि $\sec ^{2} \theta+\tan ^{2} \theta=\frac{13}{12}$ है,तो $\sec ^{4} \theta-\tan ^{4} \theta$ का मान ......... है।

$\sin 48^{\circ} \sec 42^{\circ} + \cos 48^{\circ} \operatorname{cosec} 42^{\circ} = \ldots \ldots \ldots \ldots$

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