Problem 78 of 7
Interpret radian input 7pi/3 as a real-number trig input.
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connect angle rotation to number line input.
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Connect angle rotation to number-line input for positive, negative, and greater-than-2pi angles.
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Solution
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1. Read sign as direction of rotation.
2. Reduce by full rotations if helpful.
3. Explain the radian number as an input to trig functions.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Treating radians as nonnumeric labels.