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Math Help - trigonometric functions

  1. #1
    Junior Member Dragon's Avatar
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    trigonometric functions

    evaluate all six trigonometric functions

    19pi/4  ( i know this is two rotations plus 5pi/4)
    420 deg ( i know this is one rotation plus 5pi/3)
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  2. #2
    Member
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    Quote Originally Posted by Dragon View Post
    evaluate all six trigonometric functions

    19pi/4  ( i know this is two rotations plus 5pi/4) No, it isn't
    420 deg ( i know this is one rotation plus 5pi/3) No, it isn't
    You are going to have alot of trouble if you can't see why you are wrong there. Remember, one complete cycle is 2\pi=360^\circ
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