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Home > INT3 > Chapter 9 > Lesson 9.2.4 > Problem 9-138

9-138.
  1. What is the exact value for each of the following trig expressions? For parts (g) and (h), assume that 0 ≤ θ < 2π. Homework Help ✎

    1. cos

    2. tan

    3. sin

    4. sin

    5. tan

    6. tan

    7. tan–1(1)

    8. tan–1​(–1)

Refer to problem 9-111.

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