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1. |
Prove that: sin6x + cos6x = 1 - 3 sin2x cos2x. |
Answer» <strong> sin<sup>6</sup>x + cos<sup>6</sup>x = 1 - 3 sin<sup>2</sup>x cos<sup>2</sup>x</strong><p><a href="https://www.cuemath.com/trigonometry/cosine-function/">Cosine </a>and <a href="https://www.cuemath.com/trigonometry/sine-function/">Sine </a>are primary trigonometric functions. They are also known as complemetary functions</p> | |