જો $\tan 7 \theta \cdot \tan 3 \theta = 1$ હોય,તો $\theta$ ની કિંમત .......... છે.

  • A
    $30$
  • B
    $18$
  • C
    $15$
  • D
    $9$

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Similar Questions

પદાવલિ $\left[\frac{\sin ^{2} 22^{\circ}+\sin ^{2} 68^{\circ}}{\cos ^{2} 22^{\circ}+\cos ^{2} 68^{\circ}}+\sin ^{2} 63^{\circ}+\cos 63^{\circ} \sin 27^{\circ}\right]$ ની કિંમત શોધો.

Difficult
View Solution

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

સાબિત કરો કે,
$\frac{\sin \theta}{1+\cos \theta}+\frac{1+\cos \theta}{\sin \theta}=2 \operatorname{cosec} \theta$

જો $\operatorname{cosec} \theta + \cot \theta = p$ હોય,તો સાબિત કરો કે $\cos \theta = \frac{p^{2} - 1}{p^{2} + 1}$.

Difficult
View Solution

$(1+\tan ^{2} \theta)(1-\sin \theta)(1+\sin \theta)$ નું સાદું રૂપ આપો.

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