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sin tracer

Move the green point to form a central angle of 1 radian. What is the sign of sin(1)?

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Move the green point to form a central angle of 2 radians. What is the sign of sin(2)?

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Move the green point to form a central angle radians. What is the sign of sin()?

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Move the green point to form a central angle 5 radians. Which of the following is true?

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