Question

Angle θ is in Quadrant II - and cosθ = −12/13


what is the value of sinθ?

Answer 1

5/13

Explanation:

I just finished Quiz 2: Evaluation of Functions, of which this was one of the questions.

Answer 2

The solution is below. The value of the angle can also be found by:

1. Finding sin^-1

2. Since it belongs to quadrant II, the value of the angle will be 180- sin^-1