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Establish the following triple angle identity for sine by proving it sin x sin x cos x sin x hint

 
 

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1.Establish the following triple angle identity for sine by proving it. sin(3x) = 4sin(x)*cos^2(x)-sin(x) -> Hint: ...

-sin(x) -> Hint: sin(3x) = sin(2x + ?) *Cannot use the triple angle identity, must solve using sum and double angle identities.
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Precalculus

1.AU MAT 120 Systems of Linear Equations and Inequalities Discussion

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