excat value of sin 4pi over 3?

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excat value of sin 4pi over 3?

what is the exact value of sin 4pi over 3

2007-05-19 10:40:40 · 5 answers · asked by DancerGurl 2 in Science & Mathematics ➔ Mathematics

5 answers

- √3 / 2

2007-05-23 04:42:25 · answer #1 · answered by Anonymous · 1⤊ 0⤋

4pi/3 is 3pi/3 + pi/3, so this is an angle in the third quadrant. The sin function is negative in the third quadrant, so the answer is -sin(pi/3) = -â3/2

2007-05-19 17:44:09 · answer #2 · answered by Anonymous · 1⤊ 0⤋

sin (4pi / 3)=-sin(pi/3)=sqrt(3)/2.

2007-05-19 17:45:31 · answer #3 · answered by Anonymous · 0⤊ 0⤋

it is 0

2007-05-19 17:43:33 · answer #4 · answered by lilfairyneeyore 2 · 0⤊ 2⤋

sin (4Ï/3) = - sin (Ï/3) = - â3 / 2

2007-05-19 17:44:33 · answer #5 · answered by Como 7 · 0⤊ 0⤋