PLEASE HELP ME!
Given sin A = -.45 find angle A in degrees. Round your answer to the nearest hundredth.
Show all work please.

Question

campbell_st · Answer

since the sin of the angle is negative the angle can be in the 3rd and 4th quadrants


so find sin(A) = 0.45 


then the 3rd quadrant angle is 180 + A

             4th quadrant angle is  360 - A

anonymous · Answer

So there is two answers? one in the 3rd and one in the 4th?

campbell_st · Answer

thats correct, provided you haven't been given a restriction on the domain, for this question.

anonymous · Answer

so either A= about 180.43º or A= about 179.56º

campbell_st · Answer

nope to find A

$$A = \sin^{-1}(0.45)$$

can you find the measure of the angle..?

anonymous · Answer

So 180.46 and 179.53

campbell_st · Answer

not even close

can you find the arcsin of 0.45

anonymous · Answer

$$\sin^{-1}(.45)=.466765339$$