Thread: I dont understand this..

I dont understand how to determine an angle measure from the equation:

sin D = 0.7253

My book says that D ~= 46.5 or D ~=133.5 but doesnt explain how.

Originally Posted by ceasar_19134

I dont understand how to determine an angle measure from the equation:

sin D = 0.7253

My book says that D ~= 46.5 or D ~=133.5 but doesnt explain how.

Take the arcsine to get 46.5 and the other one is in the second quadrant 180 - 46.5 = 133.5