$(1+\tan ^{2} \theta)(1-\cos ^{2} \theta) = \dots$

  • A
    $\cot ^{2} \theta$
  • B
    $\tan ^{2} \theta$
  • C
    $1$
  • D
    $0$

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$\frac{\cos (90^{\circ}- A ) \sin (90^{\circ}- A )}{\tan (90^{\circ}- A )}$ નું સાદું રૂપ ....... છે.

જો $\operatorname{cosec} \theta = \frac{2}{\sqrt{3}}$ હોય,તો $\theta = \ldots$ ($^\circ$ માં)

$\frac{1}{\tan ^{2} \theta}+1 = \dots$

સાબિત કરો કે $\tan ^{4} \theta+\tan ^{2} \theta=\sec ^{4} \theta-\sec ^{2} \theta$

જો $4 \tan \theta = 3$ હોય,તો $\left(\frac{4 \sin \theta - \cos \theta}{4 \sin \theta + \cos \theta}\right)$ ની કિંમત શોધો.

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