Question

if cosA +cos²A=1, then the value of sin²A +sin⁴A is​

Answer 1

Answer:cosA+cos^2A=1

coaA=1-cos^2A

cosA=sin^2A....(1)

now,sin^2A+(sin^2A)^2

=cosA+cos^2A

=1

Answer 2

Answer:

1

Step-by-step explanation:

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