cos(2cos^-1 x +sin^-1 x) at x=1/5, 0<= cos^-1 x <=pi and -pi/2<=sin^-1 x<=pi/2.

Asked by Balbir | 30th Apr, 2017, 09:28: AM

Expert Answer:

Answered by Rebecca Fernandes | 27th Nov, 2017, 02:29: PM