SOLUTION: how to evaluate sin(-3285 degree) ? - abhishek arora ( 11th class )

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Question 636709: how to evaluate sin(-3285 degree) ?
- abhishek arora ( 11th class )
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
how to evaluate sin(-3285 degree)
3285/360=9.125
This means we rotated clockwise around the unit circle 9 times plus .125*360=45º
This gives us a standard angle of 315º or a reference angle of 45º in quadrant IV
sin(-3285 degree)=sin 45º=-√2/2 (in quadrant IV where sin<0)