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Home > A2C > Chapter 13 > Lesson 13.1.1 > Problem 13-16

13-16.
  1. If , what must be true about the sign of: Homework Help ✎

    1. sin(θ)

    2. cos(θ)

    3. tan(θ)

What quadrant is

What is the sign of sin x in that quadrant?

Negative.

See part (a).

Negative.

See part (a).

See part (a).