How to define an angle of elevation or an angle of depression.
How to measure angles using degrees or radians.
How to find the angle of inclination of a line.
How to use the power reduction formulas to derive the half-angle formulas.
How to use the sine and cosine addition formulas to prove the double-angle formulas.
How to derive two more cosine double-angle formulas.
How to measure the sine and cosine of 150.
How do we measure sine and cosine of pi/4?
How to evaluate the tangent of 3*pi/4.
How to define and calculate a space diagonal.
How we define sine and cosine for all angle measures using the unit circle.
How to define the tangent function for all angles.
How to define the sine ratio and identify the sine of an angle in a right triangle.
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 use inverse trig functions to find angles in right triangles.
How to calculate the area of any triangle using two sides and an included angle.
How to graph y = tan(q) for one or more periods.
How to solve a simple sine equation: sin (theta) = 1/2.