Hi Scott,
Arc sin(x) is the angle whose sine is x. Hence if arc sin(x) = t then sin(t) = x. Think of the number x as ^{x}/_{1} then
sin(t) = ^{x}/_{1}
Draw a diagram to represent this.
Use Pythagoras theorem to find the length of the third side of the triangle.
What's the tangent of t?
Penny
