$0\le \theta \le \frac{\pi }{2}$ and $cos\theta +\sqrt{3}sin\theta $ = 2, then what is the value of $\theta$ ?
Solution
$\cos \theta + \sqrt{3} \sin \theta = 2$
Now, take the help of options.
so, $\theta = \dfrac{\pi}{3}$ satisfy the above condition.