Question

I forgot how to do radians :P What's (7 pi)/6 and how do you find it?

Answer 1

Wait, it's sin (7 pi)/6

Answer 2

pi radians = 180 degrees

Answer 3

I know that pi= 180, but there's a way to find the value without your calculator.

Answer 4

7pi/6 = 7/6 * 180 = 210 degrees

sine is negative in 3rd quadrant

look up sin 30 degrees on ur calculator and multiply by -1

Answer 5

Okay, I think I got it.

Answer 6

yes 30 degrees is in the following triangle