Question

find the exact value of 10pi/4

Answer 1

\[\frac{ 10\pi }{ 4 }\]

Answer 2

7.85398163397

Answer 3

that's not one of my choices

Answer 4

hmm
im not sure and i dont want give you the wrong answer

Answer 5

my mistake, it's \[ \sin \frac{ 10\pi }{ 4 }\]

Answer 6

since you are given decimal approximations as answers, you can use a calculator

Answer 7

when i use my calculator i get .136

Answer 8

or you can say that \(\frac{10\pi}{4}=\frac{5\pi}{2}\) which is coterminal with \(\frac{\pi}{2}\) and \[\sin(\frac{\pi}{2})=1\]

Answer 9

make sure your calculator is in "radian" mode
then you will get 1

Answer 10

okay thanks a ton!