Question

Find the exact value of sin -4pi/3 radians?

Answer 1

so r u familiar with exact value graph

Answer 2

\[\sin (2 \pi -\frac{ 4 \pi }{ 3 })\]

Answer 3

\[\sin \frac{ 2 \pi }{ 3 }\]

Answer 4

then you convert this into degree

Answer 5

and you will get \[\sin 120^{0}\]

Answer 6

the exact value then is \[\frac{ \sqrt{3} }{ 2 }\]