Use a calculator to evaluate the trigonometric function. Round to four decimal places. Make sure that your calculator is in the correct angle mode.

1) csc 2pi/5

1.3213?

2) sec 0.7

1.3075?

5 answers

1. I get 1.05146

2. ok
How do you do the first one on the calculator?
since cscØ = 1/sinØ

csc (2π/5) = 1/sin(2π/5)

How did you get the second one correct but miss the first one ?
I think it's because I didn't put in the pi correctly.
All whole numbers are rational numbers.