xsin^2 a+ycos^2 a= sinacosa and xsina=ycosa,prove that x^2+y^2=1
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drushasangwan:
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After this just put the values of eq 1 and 2 in xsq + ysq....
U will get ur ans
Hope it helps u
its ok
i did what u told...i got the answer :D
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