SOLUTION: Please help me to simplify: sin^4X + sin^2Xcos^2X thank you

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Question 1071527: Please help me to simplify:
sin^4X + sin^2Xcos^2X
thank you
Found 2 solutions by Alan3354, ikleyn:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
simplify:
sin^4X + sin^2Xcos^2X
===============
Hint: sin(2x) = 2sin(x)cos(x)

Answer by ikleyn(52905) About Me  (Show Source):
You can put this solution on YOUR website!
.
Please help me to simplify:
sin^4X + sin^2Xcos^2X
thank you
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sin%5E4%28x%29+%2B+sin%5E2%28x%29%2Acos%5E2%28x%29 = sin%5E2%28x%29%2A%28sin%5E2%28x%29+%2B+cos%5E2%28x%29%29 = sin%5E2%28x%29.     ( <<<--- since sin^(x) + cos^2(x) = 1. )