Question

Using the unit circle, calculate the value of sin 240°.(1 point)
Responses

3√2
the fraction with numerator square root of 3 and denominator 2

−3√2
negative the fraction with numerator square root of 3 and denominator 2

−2√2
negative the fraction with numerator square root of 2 and denominator 2

12

Answer 1

sin 240° = sin(180° + 60°) = −sin 60° = −√3/2.

(So choose "negative the fraction with numerator square root of 3 and denominator 2.")