Homework Help Thread

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Iris

rainbow 11!
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Since the last one is MIA I figured I'd start another one. You guys will see me in this a lot. Haha

Basically if you need help with an assignment just ask us and we can try to help you!

Okay, so I need help with my trig. We have to find the exact value of the trigonometric function at the given real number.

a) cos pi/2


B) cos 5pi/2

Please help!
 
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