Question

period of function of f(x)=sinx.cos3x is​

Answer 1

please see the attachment

Answer 2

Answer:

Step-by-step explanation:

period of sinx is 2pi

period of cos3x is 2pi/3

lcm of 2pi , 2pi/3

2pi

but check submultiples of it also

check for pi

it satisfies but

check for pi/2

it doesnot satisfy

so period of this function is pi