Miscellaneous Exercise on Chapter 2 Question 16, misl. ex 2 q16,Find the value of the following: tan1/2[sin^(-1) (2x/1+x^2)+cos^(-1)(1-y^2)/(1+y^2),#themathsgurudev, Class 12 MATHEMATICS, INVERSE TRIGONOMETRIC FUNCTIONS, CBSE, NCERT,