Find all values of theta in [0 degrees, 360 degrees) that satisfy the equation:
1) cos(theta)=(1/2)
2) sin(theta)=(-sqrt2/2)
1) cos(theta)=(1/2)
2) sin(theta)=(-sqrt2/2)
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1) theta=60 and 360-60=300
2)theta =180+45=225 and theta=360-45=315
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2)theta =180+45=225 and theta=360-45=315
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