How to construct a midpoint and how to define a perpendicular bisector.
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 compute the angle between two vectors.
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 find the angle between planes, and how to determine if two planes are parallel or perpendicular.
How to find the angles of a triangle by creating a linear equation.
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 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.