Question

sin-1(-1/2)

Answer 1

Is it soh Cah toa problem?

Answer 2

7pi/6

Answer 3

now what is the angle that its sine is 1/3 ?
ovs 30

Answer 4

since its negative then the angle might be in the third or fourth quadral

Answer 5

so the angle is
180+30 or 360-30
so 210 or 330

Answer 6

I think he has to give the answer in radians?

Answer 7

and you're right I forget 11pi/6, so &pi/6 or 11pi/6