Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

If sin²x + sin x = 1, then what is the value of cos¹²x + 3 cos¹⁰ x + 3 cos⁸x + cos⁶ x?

1

-1

2

0

3

1

4

8

5

Question Not Attempted

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