Cot inverse 1 cos x sin x x 2 July 8, 2019 16 32 64 128 Cos tan inverse sin cot inverse x 1 x 2 2 x 2 Cos 2 cos inverse x sin inverse x at x 1 5 Prove that cos inverse x 2 sin inverse 1 x 2 2 cos inverse 1 x 2 Cos 1 cos 2 cos 3
