જો $\tan \theta = \frac{\sin \alpha - \cos \alpha}{\sin \alpha + \cos \alpha}$ હોય,તો $\sin \alpha + \cos \alpha$ અને $\sin \alpha - \cos \alpha$ ની કિંમત શું થાય?

  • A
    $\sqrt{2} \cos \theta, \sqrt{2} \sin \theta$
  • B
    $\sqrt{2} \sin \theta, \sqrt{2} \cos \theta$
  • C
    $\sqrt{2} \sin \theta, \sqrt{2} \sin \theta$
  • D
    $\sqrt{2} \cos \theta, \sqrt{2} \cos \theta$

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Similar Questions

જો $\tan A = \frac{1 - \cos B}{\sin B}$ હોય,તો $\tan B$ ના સ્વરૂપમાં $\tan 2A$ શોધો અને દર્શાવો કે:

જો $\tan x = \frac{2b}{a - c}$ $(a \ne c)$,$y = a \cos^2 x + 2b \sin x \cos x + c \sin^2 x$ અને $z = a \sin^2 x - 2b \sin x \cos x + c \cos^2 x$ હોય,તો:

Difficult
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આપેલ છે કે $\pi < \alpha < \frac{3\pi}{2},$ તો પદાવલિ $\sqrt{4\sin^4 \alpha + \sin^2 2\alpha} + 4\cos^2 \left( \frac{\pi}{4} - \frac{\alpha}{2} \right)$ ની કિંમત શોધો.

Difficult
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ધારો કે $E = \left( {1 - \frac{{\cos 61^\circ}}{{\cos 1^\circ}}} \right) \left( {1 - \frac{{\cos 62^\circ}}{{\cos 2^\circ}}} \right) \dots \left( {1 - \frac{{\cos 119^\circ}}{{\cos 59^\circ}}} \right)$,તો $E$ ની કિંમત શોધો:

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