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Trig

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How can I find the exact value of Sin 480 degrees? Thanks

  • Trig -

    480°=360°+120°

    sin(480°)=sin(120°)

    sin(90°+x)=sin(90°-x)

    sin(90°+30°)=sin(90°-30°)

    sin(120°)=sin(60°)

    sin(480°)=sin(120°)=sin(60°)=sqroot(3)/2

  • Trig -

    Thank you I see where I got stuck

  • Trig -

    Sin(480) = sin (5x90 + 30) = cos 30 = sqrooy(3)/2

  • math -

    3/2

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