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Trigonometry questions

A) Give the vale of :

(i) sin^-1 (cosx ), only acute angle.

(ii) tan (sin^1 x)

(iii) tan [ tan^-1 ( x+ 1)/(x-1) + tan ^-1 (x-1 )/x

b) Solve : cos^-1 x + cos^-1 2x = 60°

c)State what is the most interesting thing learnt in studying Trigonometry and why you have select it to be introduced in your
program of study

Solution Summary

Step by step solutions to all the problems is provided.