Question
Sun September 15, 2013 By: Aditya Chakravarty

i)If(x/a sin?-y/b cos?)=1 and (x/a cos?+y/b sin?)=2,prove that-(x^2/a^2+y^2/b^2)=2. ii)If(tan?+sin?)=m and (tan?-sin?)=n,prove that-(m^2-n^2)^2=16mn.

Expert Reply
Sun September 15, 2013
Pls ask one question at a time. Also, pls cross check, the correct statement of first question should be:
 
 
The solution is as follows:
 
 
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