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The unit circle — Homework

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The unit circle — Homework

Draw the unit circle if it helps before answering.

  1. 1.Convert 30 degrees to radians.
  2. 2.Convert 3pi/4 radians to degrees.
  3. 3.Give the exact coordinates of the point on the unit circle at angle pi/4.
  4. 4.Give the exact coordinates at angle pi/2, and state cos(pi/2) and sin(pi/2).
  5. 5.The angles pi/6 and pi/3 are complementary (they add to pi/2). How do their sine and cosine values relate?
🌲 Homeschool of the FutureEleventh Grade · Math · week 34 homework