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March 6, 2015

March 6, 2015

Posted by **Anonymous** on Tuesday, February 8, 2011 at 11:35pm.

Express each as a function of theta:

a. sin (270deg + theta)= cos theta

b. cos (pi + theta)= -cos theta

c. tan (810 + theta)= ?????

d. sin (theta - 180)= -sin theta

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