Math, asked by kaveri64, 9 months ago

prove sin^4A+cos^4A=1-2sin^2A cos^2A

Answers

Answered by shettybhushan41

0

Answer:

2sin+3cosA..........

Answered by Anonymous

3

Solution :-

We know that

Sin²A + Cos²A = 1

दोनों ओर वर्ग करने पर

(Sin²A + Cos²A)² = 1²

Sin⁴A + Cos⁴A + 2Sin²A*Cos²A = 1

Sin⁴A + Cos⁴A = 1 - 2Sin²A*Cos²A

Hence proof

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