Math, asked by ak6330044, 5 months ago

If sin A + sin²A =1 then cos²A+ cos⁴A = *

Answers

Answered by gayathrikoritala

0

sinA+sin²A=1

sinA=1-sin²A

sinA=cos²A

squaring on both sides

sin²A=cos⁴A

1-cos²A=cos⁴A

1=cos⁴A+cos²A

cos²A+cos⁴A=1

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