prove that if x greater than or equal to 1/2 and x less than or equal to 1 ,cos inverse x +cos inverse ( x/2 +underroot (3-3x square) /2 =180/3

Vijay Jaiswal's image
Vijay Jaiswal
Dec. 25, 2017, 8:24 a.m.

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Davneet Singh's image
Davneet Singh
Dec. 25, 2017, 9:28 p.m.

Hello Vijay

Please check https://www.teachoo.com/7198/2242/Question-7/category/CBSE-Sample-Paper-Class-12---2017-18/

 

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