Question

If 2cos theta =1 then theta is equal to

Answer 1

Answer:

theta = 60°

Step-by-step explanation:

cos theta = 1/2 - (take 2 to other side)

as we know that cos 60° = 1/2

So, theta = 60°

Answer 2

Answer:

cos theta =60

Step-by-step explanation:

let theta be x

2cosx=1

cosx=1/2

wkt,cos60=1/2

therefore, x=60