Question

Find the value of the csc 40° using your calculator.
1.342 0.745 1.556 0.643

Answer 1

$\csc45^\circ=\sqrt2\approx1.414$, and $\csc x$ is an decreasing function for $0^\circ<x<90^\circ$, so $\csc40^\circ>\csc45^\circ$. This means 1.556 is the best (and correct) choice.

Answer 2

Answer:

C:  1.556

Step-by-step explanation:

I did the math on my calculator and I also got it right on my test : )