1 2 value of cos July 8, 2019 16 32 64 128 1 2 value of cos theta 1 √ 2 value of cos 1 root 2 value of cos Cos x 1 2 value of x If sin a 1 2 the value of cos a will be If sina 1 2 then the value of cosa is Value of cos 1 2 3 Value of 2 1 cos square a sin square a is Principal value of cosec 1 2 Principal value of cos 1 2
