Question #5dd75
1 Answer
Apr 7, 2017
Quadrant 3
Explanation:
Use the CAST rule (in order from quadrant 4, 1, 2, 3)
Quadrant 4: cosine is positive, therefore sine and tangent are negative
Quadrant 1: sine, cosine and tangent all positive
Quadrant 2: sine is positive, therefore cosine and tangent are negative
Quadrant 3: tangent is positive, therfore sine and cosine negative
