How to use inverse trig functions to find angles in right triangles.
How to simplify a trigonometric expression by converting to sines and cosines and using algebra.
How to solve a sine equation by factoring: 4 [sin(theta)]^2 = 2.
How to evaluate expressions like tan(sin (4/5))^(-1).
How to define the cosine ratio and identify the cosine of an angle in a right triangle.
How to define the tangent ratio and identify the tangent of an angle in a right triangle.
How to graph y = tan(q) for one or more periods.
How to find the x-intercepts and vertical asymptotes of the graph of y = tan(q).
How graph the cotangent function using five key points.