Keepitculp: What is sin A = 0.85
You have the sin ratio, you need the angle so you can make A the subject by saying
A = Sin
-10.85 (A is the inverse sin of 0.85)
or A = asin 0.85 (A is the arc sin of 0.85)
Arc sin and inverse are exactly the same thing.
To get this answer first make sure that your calculator is is set to degrees. There will probably be a little D at the top of the display area.
then press
2nd sin 0.85 =
+118654 
