Assume that A and B are in standard position and that sin A = 1/2, cos A > 0, tan B = 3/4, and sin B <0. Draw A and B in standard position, then find the following: 1. cos(A-B)   22. sin (A-B)

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by Behyorish at May 14, 2012

please help me draw the graph and do at least one of the two problems T.T