1.

selano-a, bindthe value ofvalue ocoso tejcosesin

Answer»

tanx =a/b ; sinx =a/c; cosx= b/c; cosx + sinx/cosx - sinx = b/c + a/c// b/c - a/c = a+b/c // b-a/c= a+b/c x c/ a-b =1



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