Question

Use even and odd properties of the trigonometric functions to find the exact value of the expression.
csc (-pi/6)

Answer 1

you know csc is 1/sin, right? and sin is odd function

Answer 2

so csc is also odd, then it will be obvious to find the answer

Answer 3

would it be 2 or -2?

Answer 4

-2, since f(-x)=-f(x), you may take out the - sign first and then calculate

Answer 5

thank you

Answer 6

medal...

Answer 7

its -2 ... unit circle will really help you with this
http://en.wikipedia.org/wiki/File:Unit_circle_angles_color.svg