Question

If sin θ + sin² θ = 1, then find cos² θ + cos⁴θ.​

Answer 1

Answer:

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Step-by-step explanation:

ANSWER

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Answer 2

Answer :-

Using sin^2 theta + cos ^2 theta =1

1-sin^2 theta=cos^2 theta

According to equation 1

Sin theta = cos^2 theta

Put this value in equation no 2

Sin theta + (cos^2 theta)^2=1

Sin theta +sin^2 theta =1

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