If , find the value of…

MATHEMATICS · Subjective · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

If Sn=cos⁡nθ+sin⁡nθS_n = \cos^n \theta + \sin^n \theta , find the value of 3S4−2S63S_4 - 2S_6 .

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