URGENTANIUS!!

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If the given point is on the terminal arm of an angle A in stadard position. 0 degrees more than or equal too A and less than or equal too 180 degree, find sin A and cos A:
a) (6,8) b) (-5,12)
Can you tell me how you get it because I do not understand it at all please help!

  • URGENTANIUS!! -

    answered
    look at your previous post

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