Mathematics · Trigonometry

Evaluate the summation: ∑k=012 1sin((k+1)π6 + π4) sin(kπ6 + π4)

Verified Solution4 OptionsUpdated: October 2026👁️1 View

12(√3 + 1)
22(3 - √3)
32(2 - √3)
42(√3 - 1)✓

Correct answer

2(√3 - 1)

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Evaluate the summation: ∑k=012 1sin((k+1)π6 + π4) sin(kπ6 + π4)

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