Question

Cos 20°cos40°cos60°cos50°=1/16

can you please tell me is the equation is correct or not
or please answer with complete explanation and tell me what will come on R.H.S if the equation is incorrect.​

Answer 1

The value of cos cos 60+ 6 cos 40+ 15 cos 20 + 10 is equal to cos 50+5 cos 30 + 10 6 (Step-by-step explanation: