yamyam70
How would you verify this identity?
4sin^2 x 1
____________ = 2 sin x 1
2sin^2 x +1



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Yttrium
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Do you know that 4sin^2 x1 is factorable? :)

yamyam70
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is that the difference of two squares?

Yttrium
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Yeah, do you know how to factor it out?

yamyam70
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OMG thank you thank you thank you!!!!!!!!!!!!!!1111

yamyam70
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You knocked some sense on me :D

yamyam70
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4sin^2 x 1 , factors as 2sin ++1 (2sin 1) , righT?

Yttrium
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Yes. :)

yamyam70
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Thanks again :)

Yttrium
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No problem. :)