If cos a/cos b + sin a/sin b = cos c/cos b + sin c/sin b=1, where a 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 ?

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Saurabh Koranglekar · Answer

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

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If cos a/cos b + sin a/sin b = cos c/cos b + sin c/sin b=1, where a 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 ?

If cos a/cos b + sin a/sin b = cos c/cos b + sin c/sin b=1, where a 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 ?

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If cos a/cos b + sin a/sin b = cos c/cos b + sin c/sin b=1, where a 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 ?

If cos a/cos b + sin a/sin b = cos c/cos b + sin c/sin b=1, where a 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 ?

1 Answers

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