2007-06-14 02:34:14 · 3 answers · asked by Bethany 2 in Education & Reference ➔ Homework Help
the choices are ...
neg. (square root of 2)/2
neg. 1/2
1/2
(the square root of 3)/2
(the square root of 2)/2
sorry no math symbols
2007-06-14 02:36:35 · update #1
The answer is 0.866 = sqrt(3)/2
Whenever you see 'pi' in a trigonometric function (sine, cosine, tangent, etc.), it almost always means the number is in Radians, not Degrees. So, set your calculator to Radians, multiply 2 times pi and divide by 3, then hit the Sin button.
2007-06-14 03:32:30 · answer #1 · answered by dx 2 · 0⤊ 0⤋
The answer is 0.866 = sqrt(3)/2
Whenever you see 'pi' in a trigonometric function (sine, cosine, tangent, etc.), it almost always means the number is in Radians, not Degrees. So, set your calculator to Radians, multiply 2 times pi and divide by 3, then hit the Sin button.
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2007-06-14 09:39:28 · answer #2 · answered by tlbs101 7 · 0⤊ 0⤋
(sqr root 3)/2
2007-06-14 09:40:18 · answer #3 · answered by nivik 3 · 0⤊ 0⤋