Math, asked by Anonymous, 6 months ago

prove the following:-sin⁴A + cos⁴A = 2 sin²A -1 ( step by step)

Answers

Answered by AnanyaSrivastava999

2

sin⁴A +cos⁴A

= (sin²A+cos²A) ² - 2 sin²A cos²A

= 1 - 2 sin²Acos²A

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