Trigonometrical Equations
easy

સમીકરણ $\cos \theta + \sqrt 3 \sin \theta  = 2$ નું સમાધાન કરે તેવા $\theta $ નો ઉકેલ મેળવો.

A

$\frac{\pi }{3}$

B

$\frac{{5\pi }}{3}$

C

$\frac{{2\pi }}{3}$

D

$\frac{{4\pi }}{3}$

Solution

(a) $\sin \left( {\theta + \frac{\pi }{6}} \right) = 1 = \sin \left( {\frac{\pi }{2}} \right) $

$\Rightarrow \theta = \frac{\pi }{2} – \frac{\pi }{6} = \frac{\pi }{3}$.

Standard 11
Mathematics

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