Engineering Board Exam Reviewer · Angles and Trigonometric Functions · easy
Find the exact value of 150°.
- sqrt(3)2 0.866
- - 1/2
- 1/2
- sqrt(2)2 0.707
Answer
C. 1/2
Solution
The reference angle is 30° and sine is positive in Quadrant II, so 150°= 30°= 12.
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