Question

what is sin(3pi/2)?

Answer 1

http://etc.usf.edu/clipart/43200/43203/unit-circle11_43203_lg.gif What's the y value of 3pi/2?

Answer 2

a:-rad2/2
b:rad2/2
c:1/2
d:rad3/2

Answer 3

which one?

Answer 4

none of them.

Answer 5

use the unit circle

Answer 6

how doi use it?

Answer 7

sin(3pi/2) = 270 degrees or (0,-1) or -1

Answer 8

what's with the direct answers? seriously -_-!

Answer 9

convert 3pi/2 to degrees by multiplying 180/pi
\[\frac{3 \pi}{2} \times \frac{180}{\pi} \]

Answer 10

the pi's cancel out and you should be left with \[\frac{3 \times 180}{2}\]