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OpenStudy (anonymous):
cos(3pi/4+pi/6)= (-root6 - root2)/4 right?
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OpenStudy (kagıtucak):
=cos135.cos30-sin135.sin30=(-root2/2).root3/2-(root2/2).1/2=-root6/4-root2/4= (-root6-root2)/4 you are right
OpenStudy (anonymous):
thanks
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