Trigonometrical Equations
easy

સમીકરણ $\sin \theta = \sin \alpha $ અને $\cos \theta = \cos \alpha $ નું સમાધાન કરે તેવો $\theta $ નો વ્યાપક ઉકેલ મેળવો.

A

$2n\pi + \alpha $

B

$2n\pi - \alpha $

C

$n\pi + \alpha $

D

$n\pi - \alpha $

(IIT-1971)

Solution

(a) It is obvious.

Standard 11
Mathematics

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