SOLUTION: hello once again.....Could someone please establish this identity for me ? sin^3xcos^2x =sinx(cos^2x-cos^4x) thank you in advance !!
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Question 927725: hello once again.....Could someone please establish this identity for me ? sin^3xcos^2x =sinx(cos^2x-cos^4x) thank you in advance !!
Found 2 solutions by brysca, MathLover1:
Answer by brysca(112) (Show Source): You can put this solution on YOUR website!
solution posted below
.
hope this helps!
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
start with right side and prove it's equal to left side:
=
=
=
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