What is the exact numerical value of sin(150°)?
Show answer
1/2 (or 0.5)
150 degrees is in the second quadrant, where sine is positive. It has a reference angle of 30 degrees, and since sin(30°) is 1/2, sin(150°) is also 1/2.
1/2 (or 0.5)
150 degrees is in the second quadrant, where sine is positive. It has a reference angle of 30 degrees, and since sin(30°) is 1/2, sin(150°) is also 1/2.
Trivia Forge uses spaced repetition so facts stick. Free, no signup needed.
Turn on Trigonometry practice →