Question

How should we find sin 480 degree?? SHOW STEPS

Answer 1

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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

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