Q. The maximum value of $3\cos{\theta + 4\sin\theta}$ is
A) 3
B) 4
C) 5
D) None of these
Explanation
(c)
Here, $a = 3,\ \ b = 4$
$\therefore$ maximum value$= \sqrt{3^{2} + 4^{2}} = 5$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.