Value of 1 cos 2 theta will be July 8, 2019 16 32 64 128 Cos 2 theta 1 2 the value of sin 2 theta will be If 2 cos 3 theta 1 then value of theta will be If cos 90 theta 1 2 then value of theta will be Cos 1 cos 2 cos 3 1 + sin theta
