Using the unit circle, determine the value of sin(-240°).
A) -1/2
B) √3/2
C) 1/2
D) -√3/2


Using The Unit Circle Determine The Value Of Sin240 A 12 B 32 C 12 D 32 class=

Answer :

A ) - 1 / 2

.................

.................

.................

Answer:

B. √3/2.

Step-by-step explanation:

If we follow the circle from (1,0) clockwise through 240 degrees we end up at 120 degrees.

sin(120)

= √3/2