In Exercises 73-78

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

Problem

In Exercises 73-78, confirm the identity. 76. cos⁡6x−sin⁡6x=(cos⁡2x−sin⁡2x)(1−cos⁡2xsin⁡2x)\cos ^{6} x-\sin ^{6} x=\left(\cos ^{2} x-\sin ^{2} x\right)\left(1-\cos ^{2} x \sin ^{2} x\right)

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