sinθ = 1/2 and cosθ = -√3/2, what is the value of θ?
- 30 0
- 60 0
- 90 o
- 120 o
-
150 o
The correct answer is: E
Explanation
In the 2nd Quadrant; SINE is the only Positive.
Where θ is 30 for the first quadrant and
150 in the 2nd quadrant which makes COSINE negative