Study Guide – Trig Basics Quiz
Topics you should know:
 Types of angles – acute, obtuse, right
 Conventions (rules) for naming angles
 Adjacent angles
 Complementary and supplementary angles
 Measuring angles and drawing angles with a protractor
 Triangle Angle Sum Property
 Determining if a set of three numbers could be the lengths of the sides of a right triangle
(Pythagorean triple)
 Identifying the hypotenuse, the opposite side, and the adjacent side with regard to a
reference angle
 Using the Pythagorean Theorem to find the missing length of a side of a right triangle
 Finding the sine, cosine, or tangent of an angle of a triangle – as a ratio and then
calculating the decimal
opposite
 sin A 
hypotenuse
adjacent
 cos A 
SOH CAH TOA
hypotenuse
opposite
 tan A 
adjacent
 Using the Trig Table to find the value of the sine, cosine or tangent of an angle OR to
find the measure of an angle if you know the value of the sine, cosine, or tangent