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OpenStudy (anonymous):
can some one help me with my calculus probelm?? sin 2x -sin 4x=
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OpenStudy (gorv):
is it \[\sin^2x _or \sin2x\]
OpenStudy (fibonaccichick666):
well, if you tell us what you want to do
OpenStudy (dumbcow):
this may help http://en.wikipedia.org/wiki/List_of_trigonometric_identities#Product-to-sum_and_sum-to-product_identities
OpenStudy (gorv):
\[\sin^2x \] or sin2x
OpenStudy (fibonaccichick666):
that's what I was thinking dumbcow
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OpenStudy (anonymous):
Thans @FibonacciChick666 @gorv @dumbcow
OpenStudy (anonymous):
*thanks
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