$\frac{1}{\sin ^{2} \theta}-1 = \ldots \ldots \ldots$

  • A
    $\cos ^{2} \theta$
  • B
    $\cot ^{2} \theta$
  • C
    $\tan ^{2} \theta$
  • D
    $\sec ^{2} \theta$

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સાબિત કરો કે,
$\frac{\tan A}{1+\sec A} + \frac{\tan A}{\sec A-1} = 2 \operatorname{cosec} A$

જો $a \sin \theta = 3$ અને $a \cos \theta = 4$ હોય,તો $a = \dots$ (જ્યાં $a > 0$).

પદાવલિનું મૂલ્ય શોધો: $8 \sin^{2} 45^{\circ} - 2 \tan^{2} 60^{\circ} + 3 \cot^{2} 30^{\circ} - 2 \cos^{2} 45^{\circ}$

જો $\sec \theta = \frac{5}{3}$ હોય,તો $\tan \theta = \ldots$

$2 \sin ^{2} 30^{\circ} \cot 30^{\circ}-3 \cos ^{2} 60^{\circ} \sec ^{2} 30^{\circ} = \dots$

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