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Prove that: sin5A=5sinA-20sin^(3)A+16s...

Prove that:
`sin5A=5sinA-20sin^(3)A+16sin^(5)A`

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To prove that \( \sin 5A = 5\sin A - 20\sin^3 A + 16\sin^5 A \), we will start from the left-hand side and use trigonometric identities to manipulate the expression. ### Step-by-Step Solution: 1. **Start with the Left-Hand Side:** \[ \sin 5A \] ...
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