cos(7pi/4) + i sin(7pi/4)/ cos pi + i sin pi
now this im just stuck on
Last edited by >_<SHY_GUY>_<; June 5th 2008 at 08:21 PM.
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Originally Posted by >_<SHY_GUY>_< cos(7pi/4) + i sin(7pi/4)/ cos pi + i sin pi
now this im just stuck on What are you trying to do? Simplify and express in Cartesian form? Then note: . .
You must make it your business to learn the exact values of sin and cos of important special angles.
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