Math, asked by denilpil153, 8 months ago

Sin⁴A+2sinA.cos²A+cos⁴A=1

Answers

Answered by sandy1816
2

Step-by-step explanation:

sin⁴A+2sin²Acos²A+cos⁴A

=(sin²A)²+2sin²Acos²A+(cos²A)²

=(sin²A+cos²A)²

=1²

=1

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