# Math Help - Reference angles and value of functions

1. ## Reference angles and value of functions

Express each function as function of reference angle.
(degrees)
1. cos -115
2. csc 140
my answer: csc 40
Find the value of each function.
degrees

1. sec 135
my answer: -1.41 >(square root of 2; i dont know how to put the radical sign)

Are these answers correct?
Thanks.

2. Hello,

Originally Posted by NeedHelp18
Express each function as function of reference angle.
(degrees)
1. cos -115
2. csc 140
my answer: csc 40
It's ok

Find the value of each function.
degrees

1. sec 135
my answer: -1.41 >(square root of 2; i dont know how to put the radical sign)

Are these answers correct?
Thanks.
I don't understand what your answer is... Is it $-1.41$ or $-1.41 \cdot \sqrt{2}$ ?

(click on the formulas to know how to type it )

3. sorry its -1.41 lol

4. Originally Posted by NeedHelp18
sorry its -1.41 lol
Yep, I find it to be the same