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

Question 636709: how to evaluate sin(-3285 degree) ?
- abhishek arora ( 11th class )
Answer by lwsshak3(11628) (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=45�
This gives us a standard angle of 315� or a reference angle of 45� in quadrant IV
sin(-3285 degree)=sin 45�=-√2/2 (in quadrant IV where sin<0)
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