Question

2cos 30 = 1 then the value of theta

Answer 1

★ SOLUTION:-

2cos3theta =1

or, cos3 theta=1/2

or, cos3 theta = cos60°

or, 3 theta =60°

or, theta = 20°

please mark it BRAINLIEST ✌️

Answer 2

Answer:

Step-by-step explanation:

If 2costheeta = 1

Cos theeta = 1/2

We know that cos 60 = 1/2

So here

Cos theeta = cos 60

Theeta = 60