$\sin \theta \cdot \cos (90^\circ - \theta) = \ldots \ldots \ldots$

  • A
    $\tan \theta$
  • B
    $\sin^2 \theta$
  • C
    $\cos^2 \theta$
  • D
    $\sin \theta \cdot \sec \theta$

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Similar Questions

$\Delta ABC$ માં,$m \angle B = 90^{\circ}$,$BC = 3$ અને $AC = 5$ હોય,તો $\tan A = \ldots$

જો $\tan \theta + \sec \theta = l$ હોય,તો સાબિત કરો કે $\sec \theta = \frac{l^{2} + 1}{2l}$.

અમુક $\theta$ (જ્યાં,$0 < \theta < 90^{\circ}$) માટે નીચેનામાંથી શું સાચું છે?

જો $\sin \theta + \cos \theta = p$ અને $\sec \theta + \operatorname{cosec} \theta = q$ હોય,તો સાબિત કરો કે $q(p^2 - 1) = 2p$.

Difficult
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જો $\sin \theta + 2 \cos \theta = 1$ આપેલ હોય,તો સાબિત કરો કે $2 \sin \theta - \cos \theta = 2$.

Difficult
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