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    Precalculus Graphical Numerical Algebraic
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    Exam 5: Analytic Trigonometry
  5. Question
    Prove the Identity. -Sin 4u = 2 Sin 2u Cos 2u
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Prove the Identity. -Sin 4u = 2 Sin 2u Cos 2u

Question 18

Question 18

Essay

Prove the identity.
-sin 4u = 2 sin 2u cos 2u

Correct Answer:

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sin 4u = s...

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