Question

find the value of theta between 0 degree and 360 degree which satisfythe equation cos 3 theta =1/2​

Answer 1

Answer:

sinx=√3/2

x = 60°

bs itna hi aage samajh na aara

Answer 2

values = 60°,120°,240°

Step-by-step explanation:

sol} sin^2theta=3/4

sin theta= ± root3/2

sin theta=sin 60°

theta=60°

now

1. sin( 180°+theta) = sin theta

theta=240°

theta=300°

AND

SIN(180°-theta)=sin theta

theta=120°

theta=60°