How to restrict the domain of tangent so it will have an inverse function.
How to define an inverse.
Understanding the inversion of waves.
How to use inverse trig functions to find angles in right triangles.
How to find additive and multiplicative inverses.
How to tell if two variables vary inversely.
How to define a tangent line; how to determine the angle a radius to a tangent forms.
How to define the tangent function for all angles.
How to evaluate the tangent of 3*pi/4.
How to use algebra to show that two functions are inverses.
How to restrict the domain of sine so it will have an inverse function.
How to restrict the domain of cosine so it will have an inverse function.
How to find the inverse of a function algebraically