Question

The number of solution of cos$\theta$ + $\sqrt{3}$sin$\theta$ = 5, 0 ≤ $\theta$ ≤ 5$\pi$ is

• A. 4
• B. 0
• C. 5
• D. 1

Answer 1

The correct option is B

0

$\left|\frac{5}{\sqrt{1^2+(\sqrt{3}{)}^2}}\right|$ ≤ 1 is not True

So there is no solution