Question

find theta if 2cos theta=1​

Answer 1

Question.

2cosA = 1 then , A = ?

Answer.

2cosA = 1

cosA = 1/2

Hence, we know that 1/2 is the value of cos60°

so,

cosA = 1/2 = 60°

Hence, A = 60°

Answer 2

Answer:

please support the above answer