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Home > PC > Chapter 4 > Lesson 4.1.2 > Problem 4-24

4-24.
  1. No Calculator iconFind the following values using special right triangles (give exact values). Do not use your unit circle, except to check. Homework Help ✎

    1. sin

    2. cos

    3. sin

    4. cos

1. Draw circle and locate the angle.

2. Draw a right triangle whose base is the x-axis.

3. Label side lengths.

4. Choose the y-value for the sine!