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JEE MATHEMATICS MCQ: TRIGONOMETRY RATIOS

1 Easy
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Application +4 | -1
If cos⁡  x+cos⁡2x=1\cos \,\,x + {\cos ^2}x = 1, then the value of sin⁡12x+3  sin⁡10x+3  sin⁡8x+sin⁡6x−1{\sin ^{12}}x + 3\,\,{\sin ^{10}}x + 3\,\,{\sin ^8}x + {\sin ^6}x - 1, is equal to
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Correct option: D
0\mathrm{0}
Option D (0) is correct because the expression simplifies to 0 after substituting cos x = sin²x.

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