### Home > PC > Chapter 4 > Lesson 4.3.1 > Problem 4-124

4-124.

Find all values of

*θ*that satisfy the equations below. Assume 0 ≤*θ*≤ 2. Use exact values. Homework Help ✎

sin

*θ*=cos

*θ*=tan

*θ*=csc

*θ*=

Draw a unit circle. In which quadrants is sine negative?

1. What special angle is this?

2. In which quadrants is cosine positive?