Question

if sin theta=0.5 then find the values of sin3theta and cos3theta​

Answer 1

Answer:

sin3theta=1, cos3theta=0

Explanation:

Given, sin theta =0.5

sin theta=1/2

thus, theta=30

therefore, sin3theta=sin3(30)

(substituting theta=30)

=sin90=1

cos3theta=cos3(30)=cos90=0