Question

solve the equation sin^4x+cos^4x=sinxcosx

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

(sin^2x + cos^2x)(sin^2x - cos^2x) = 7/2(sinxcosx)

1(sin^2x - cos^2x) = 7/2(sinxcosx)

cos^2x - sin^2x = -(7/2)(1/2)(2sinxcosx)

cos 2x = -(7/4)sin 2x

-4/7 = sin2x/cos2x

Step-by-step explanation:

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