Q. The maximum of the function $3\cos{x - 4\sin x}$ is
A) 2
B) 3
C) 4
D) 5
Explanation
(d)
Here, $a = 3$, and $b = 4$
$\therefore$ 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.