CCSS HSF-TF.A.1 Worksheets
Algebra 2 · Trigonometric Functions
Understand radian measure of an angle as the length of the arc on the unit circle subtended by the angle, and convert between degree and radian measures.
Below are free printable worksheets that support HSF-TF.A.1. Print them as PDFs, or generate a fresh one. Every math answer key is computed in code, so it is never wrong.
Teaching guide
What students learn
Understand radian measure of an angle as the length of the arc on the unit circle subtended by the angle, and convert between degree and radian measures.
Worked example
Convert 240° to radians. Give an exact answer as a multiple of π.
Answer: 4π/3 rad
Why: Multiply by π/180: 240° × π/180 = 240π/180 = 4π/3 (dividing top and bottom by 60).
Generated and checked in code, so it is correct.
Functions worksheets
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