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test 1 trig identities
test 1 trig identities
5
Mathematics
Undergraduate 2
10/01/2008

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Cards

Term
sin 2x
Definition
2sinx*cosx
Term
sin^2(x)
Definition
1/2(1-cos(x))
Term
cos^2(x)
Definition
1/2(1+cos(2x))
Term
sinx*cosy
Definition
1/2[sin(x-y)+sin(x+y)]
Term
cos(2x)
Definition
cos^2(x)-sin^2(x)
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