જો $\theta$ એ ધન લઘુકોણ હોય અને $\tan 2\theta \cdot \tan 3\theta = 1$ હોય,તો $(2 \cos^2 \frac{5\theta}{2} - 1)$ નું મૂલ્ય શોધો:

  • A
    $-\frac{1}{2}$
  • B
    $1$
  • C
    $0$
  • D
    $\frac{1}{2}$

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Similar Questions

જો $p = \frac{2 \sin \theta}{1 + \cos \theta + \sin \theta}$ અને $q = \frac{\cos \theta}{1 + \sin \theta}$ હોય,તો

$\csc \frac{\pi}{18} - \sqrt{3} \sec \frac{\pi}{18}$ ની કિંમત એ એક

જો $\sec \theta + \tan \theta = 2 + \sqrt{5}$ હોય,તો $\sin \theta$ ની કિંમત શોધો.

દરેક $\theta \in R$ માટે $(7 \cos\theta + 24 \sin\theta) \times (7 \sin\theta - 24 \cos\theta)$ નું મહત્તમ મૂલ્ય શોધો.

જો $\tan \theta + \cot \theta = 2$ હોય,તો $\sin \theta =$

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