Asked by mridul
if acos^3x+3acos.sin^2x=m
asin3x+3acos^2x.sin=n
proof that-(m+n)^2/3+(m-n)^2/3=2a^2/3
asin3x+3acos^2x.sin=n
proof that-(m+n)^2/3+(m-n)^2/3=2a^2/3
Answers
Answered by
Steve
"3acos^2x.sin" means what?
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