What is sin -1(1/2) if the terminal side of 0 is located in quadrant 1.

30

Step-by-step explanation:

is going to output a number in between and .

Luckily you are looking for in the 1st quadrant which is contained in the given interval above, so the answer just comes down to what the calculator returns from entering in your calculator.

You may also use the unit circle.  sine value refers to the y-coordinate on there.

So you are looking for when the y-coordinate is 1/2 in the fist quadrant which is at 30 degrees.

1) 2/5

2) zero=0/1

3) zero=0/2

4) -4/5

5) undefined=3/0