Question

U
.
22.
The maximum value of 3 cos X + 4 sinX is
a. 2
b. 4
c.
5
d. 1​

Answer 1

Step-by-step explanation:

max. value of acosx+bsinx is√(a^2+b^2)

so,√(3^2+4^2)=√(9+16)=√25=5