If \tan^{-1}a+\tan^{-1}b=\sin^{-1}1-\tan^{-1}c, then for a,b,c \neq 0: | AdaptLearn

If \tan^{-1}a+\tan^{-1}b=\sin^{-1}1-\tan^{-1}c, then for a,b,c \neq 0: | AdaptLearn