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August 22, 2014

Homework Help: Calculus

Posted by -Untamed- on Monday, October 24, 2011 at 10:58pm.

Find the exact values of the following.

cos 270 degrees = 90 degrees, value = 0.

Sin 180 degrees = 180-90 = 90 = 1, but its supposed to be zero, dont know how to get that:\

Confused with tan 240 degrees as well.

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