The beam of a searchlight is modeled on a coordinate plane. The beam makes an angle counterclockwise from the positive x-axis, ranging from π3radians to 4π3radians. Which statements are true about the least and/or greatest possible angles for the beam? Choose all that are correct.
A) The points on the unit circle associated with the angles π3 radians and 4π3radians have different x-coordinates.
B) cos(π3)=−cos(4π3)
C) cos(π3)=12
D) tan(π3)=cot(4π3)
E) The points on the unit circle associated with the angles π3 radians and 4π3radians have the same y-coordinate.
F) tan(π3)=3–√
Answers
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