Math, asked by Nani2874, 11 months ago

If sinA+sinsquare A=1 then cos raise to 4 A=?

Answers

Answered by ravi901

0

Answer:

SinA+sin²A=1

cos⁴A=(cos²A)²

sin²A=1-sinA

1-cos²A=1-sinA

cos²A=sinA

therefore

cos⁴A=sin²A

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