$\text { Evaluate: } \text { Cos }\left(\sin ^{-1} 3 / 5+\sin ^{-1} 5 / 13\right)$ CBSE, Class 12, Exercise 4.12, Inverse Trigonometric Functions, Maths, RD SharmaGiven Cos (sin -1 3/5 + sin-1 5/13) read more