Give the exact value of sin(3pie divided by 2)?

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Give the exact value of sin(3pie divided by 2)?

2007-01-17 08:27:18 · 3 answers · asked by Trinity 1 in Science & Mathematics ➔ Mathematics

3 answers

For sin(3pi/2), 3pi/2 is actually one of our known values on the unit circle; in fact, it's the bottommost point on that circle.

The coordinates of that point is (0, -1), so the answer is

sin(3pi/2) = -1

2007-01-17 08:34:15 · answer #1 · answered by Puggy 7 · 0⤊ 0⤋

mmm... 3 pie...

sin (3pi/2) = -1

You can find that in a two-line scientific calculator.

2007-01-17 16:36:22 · answer #2 · answered by Morphage 3 · 0⤊ 0⤋

sin (3Ï/2) = -1

2007-01-17 16:31:17 · answer #3 · answered by novangelis 7 · 0⤊ 0⤋