In math class we always take notes! I cant explain the process because I dont understand anything! We got our test scores and I only got 30%. I dont get surprise or depressed because I know I always do bad. Maybe next time i well get a 31%! The only thing i understad is
195 degrees= 225degrees - 30 degrees
sin(225degrees - 30 degrees)
cos 9225-30)
tan(225-30)
sin(u-v)=sinu cosv-cosusinv+ the square root of -6 over 4+the square root of 2 over 4
sin9225-300= sin225 cos30-cos225
=the square root of -2 over 4( square root over 3 +1)
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