Prove that $\sin 2\theta + \sin 4\theta + \sin 6\the… |

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Prove that $\sin 2\theta + \sin 4\theta + \sin 6\the… | | Notely

Q16Short4 marks2024 · Annual

Question

\sin 2\theta + \sin 4\theta + \sin 6\theta + \sin 8\theta = 4 \sin 5\theta \cos 2\theta \cos \theta

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Topics and outcomes this question is testing.

Apply fundamental law and its deductions to derive: Trigonometric ratios of allied angles, double angle, half angle and triple angle identities.

Express the product (of sines and cosines) as sums or differences (of sines and cosines).

Flashcards, MCQs and other questions linked to this one appear here as they are added.

Topics and outcomes this question is testing.

Apply fundamental law and its deductions to derive: Trigonometric ratios of allied angles, double angle, half angle and triple angle identities.

Express the product (of sines and cosines) as sums or differences (of sines and cosines).