Solve the question given in the figure for me . I am too much confused will solving it. Please...
Manas Baranwal , 7 Years ago
Grade 12th
Trigonometry> Solve the question given in the figure fo...
1 Answers
Arun
Last Activity: 7 Years ago
Dear student
cos^-1 x + cos^-1 y = 
- 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 - 
(1- x²) (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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