CBSE Class 12-science Answered
If sin^-1x+sin^-1y+sin^-1z=pi,prove that
(i) x(1-x^2)^1/2 +y(1-y^2)^1/2 +z(1-z^2)^1/2=2xyz
(ii) x^4 +y^4 +z^4 +4x^2 y^2 z^2 =2(x^2 y^2 +y^2 z^2+z^2-- x^2
Asked by Balbir | 28 Apr, 2017, 09:19: PM
Expert Answer
Answered by Sneha shidid | 02 May, 2017, 10:14: AM
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