Question

if cos 2 theta=1/2 what is value of theta​

Answer 1

Answer:

theta = 30°

Step-by-step explanation:

Cos2x=1/2

Cos2x=Cos60°

2x=60°

x=30°

where x is theta

Answer 2

Answer:

here your answer

Step-by-step explanation:

cos2teeta=1/2

we know that

cos60°=1/2

so

cos2teeta=cos60°

2teeta=60°

teeta=30°