Write the sum without sigma notation and evaluate it. 3 11n 17) E (-1)k sin 2 k = 1 117 A) -sin 11T + sin 11n sin 2 117 B) -sin 11n + sin 117 sin = -1 2 2 2 2 11n C) -sin 2 117 117 D) -sin 11n + sin 2 117 sin 2 sin = 2 2

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