1.

Write the following functions in the simplest form : tan^(-1) sqrt((1-cos x)/(1+cos x)), 0 lt x lt pi

Answer»

SOLUTION :`tan^(-1)SQRT((1-cos X)/(1+cos x)) = tan^(-1) sqrt((2sin^2 x//2)/(2cos^2 x//2)) = tan^(-1)(tan frac X2) =x/2`


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