Math, asked by sshubhamjain01, 4 months ago

cos²A-sin²A=1÷3 then find the value of (cos⁴A-sin⁴A+1)

Answers

Answered by sandy1816

5

Answer:

cos⁴A-sin⁴A+1

=(cos²A-sin²A)(cos²A+sin²A)+1

=cos²A-sin²A+1

=1/3+1

=4/3

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