Question
Prove sin(2x+x)=3 sinx-4 sin^3x.(It is true, so do not say No Solution or Not an identity.) Your steps in a clear, logical form that can
Prove sin(2x+x)=3 sinx-4 sin^3x.(It is true, so do not say "No Solution" or "Not an identity.) Your steps in a clear, logical form that can be easily understood.When you use an identity, you must state which identity to receive full credit
( Could you please guide me through this problem?)
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An Introduction to Measure Theoretic Probability
Authors: George G. Roussas
2nd edition
128000422, 978-0128000427
