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i need trig homework help. Specifically Sine and Cosine Waves (tables/graphs). Any good sites??

2006-12-21 11:51:20 · 3 answers · asked by celtsbball3445 2 in Education & Reference Homework Help

3 answers

Try www.glencoe.com

2006-12-21 13:16:33 · answer #1 · answered by wwefan 3 · 0 0

It is a trigonometric identity, easily proven by constructing a right triangle and applying the definition of the trigonometric functions cos(x)=sin(90-x) and cos(90-y)=sin(y), provided x and y are measured in degrees So sin(38)=cos(52)

2016-03-29 03:08:02 · answer #2 · answered by Anonymous · 0 0

I think Sparknotes.com has a trig section.

2006-12-21 12:23:35 · answer #3 · answered by Lotii 3 · 0 0

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