- #1

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## Homework Statement

y=sinx cosx -cosx y'+(tanx)y=cos^2 x

I know that I'm supposed to see if the Left hand side equals the Right hand side, but I'm having problems differentiating y=sinx cosx -cosx

Yea believe it or not

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- Thread starter afcwestwarrior
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- #1

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y=sinx cosx -cosx y'+(tanx)y=cos^2 x

I know that I'm supposed to see if the Left hand side equals the Right hand side, but I'm having problems differentiating y=sinx cosx -cosx

Yea believe it or not

Last edited:

- #2

- 1,753

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[tex]y=\sin x\cos x-\cos x[/tex] is a product

Product rule: [tex](fg)'=fg'+gf'[/tex]

Product rule: [tex](fg)'=fg'+gf'[/tex]

- #3

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Thanks

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