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Grade: 11
        
If cos a/cos b + sin a/sin b = cos c/cos b + sin c/sin b=1, where and c do not differ by an even multiple of π, find: cos a.cos c/cos^2 b + sin a.sin c/sin^2 b ?
one year ago

Answers : (1)

Saurabh Koranglekar
askIITians Faculty
8387 Points
							
Dear student

As given there are 2 equations and 3 variables

do you wish to seek answer in terms of variables only?

kindly revert with a bit more clarity

Thanks





one year ago
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