Question

Find the value by referring to the graph of the sine function.

sin(-7/2 pi)

Answer 1

\[\sin (-\frac{ 7 }{ 2 }\pi)\]

Answer 2

is one of your answers 0.187 or 0.27

Answer 3

idk? lol. it's not multiple choice

Answer 4

oh than try the second because i rounded up

Answer 5

how'd you get that?

Answer 6

do you have a calculater???

Answer 7

yeah

Answer 8

You can also use the unit circle :D

Answer 9

its easier in my opinion Dx

Answer 10

how would I do that @Nemo1223

Answer 11

okay so you push the sin button and the you do 7*3.14 and then you will get 21.98 than you divide it by 2 and you get 0.1871414612

Answer 12

you could just find a unit like this one http://upload.wikimedia.org/wikipedia/commons/4/4c/Unit_circle_angles_color.svg

Answer 13

x is sin and y is cos

Answer 14

find -7/4pi

Answer 15

you would be going clock wise