Denebel
Can somebody check my work?



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Denebel
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vishal_kothari
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is it your hw?

Denebel
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Just the attached file.

dumbcow
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i thing i noticed is that sin^2 = 1cos^2 = 1u^2 not u^2 1

dumbcow
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you would just be off by a neg sign though

Denebel
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Oh I see. I don't know why I substituted u=sinx x, I meant to do it for cosine. haha