Question

Evaluate sin57°40'.

0.8425
0.8450
0.8992

Answer 1

40' is 2/3 degree
so type sin 57.66666666into your calculator and see what you get.

Answer 2

umm.... i got a weird answer;;
if i do sin(57)57.666 it doesnt show any of the choices

Answer 3

make sure your calculator is in degree mode

Answer 4

it came out 48.362...):

Answer 5

http://www.wolframalpha.com/input/?i=sin%2857.66666%29&a=TrigRD_D

Answer 6

\[\text{Sin}[(57+40/60){}^{\circ}]=0.844951 \]

Answer 7

ohhhhhhhh okay! thank you! also @robtobey thank you!