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Solve the question given in the figure for me . I am too much confused will solving it. Please...

Solve the question given in the figure for me . I am too much confused will solving it. Please...

Question Image
Grade:12th

1 Answers

Arun
25757 Points
5 years ago
Dear student
 
cos^-1 x + cos^-1 y = \pi - cos^-1 z
Cos^-1 x + cos^-1 y = - cos^-1 z
Now put the formula of cos^-1 a + cos^-1 b
Cos^-1 [x y - \sqrt(1- x²) \sqrt(1-y²) ] = - cos^-1 z
Now
Remove cos^-1 and then solve, you will easily get your answer.
 
Regards
Arun (askIITians forum expert)

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