Math, asked by trilok007, 5 months ago

cosA+cos2A=1then sin^2A+sin^4A is

Answers

Answered by plaannet24

1

Answer:

cosA+cos

2

A=1

cosA=1−cos

2

A

cosA=sin

2

A

Hence

sin

4

A+sin

2

A

cos

2

A+cosA

=1

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