Video Lessons 5.1: Angles
Video Lessons 5.2: Unit Circle- Sine and Cosine Functions
Ex: Determine the Quadrant of the Terminal Side of An Angle Given Trig Function Signs

Ex: Determine Trig Function Values Given a Point on the Terminal Side of an Angle

Ex: Determine Trig Function Values from Given Information

Ex: Sine and Cosine Values Using the Unit Circle – Multiples of 30 degrees
Notes: using coterminal angles

Ex: Sine and Cosine Values Using the Unit Circle – Multiples of 30, 45 degrees
Ex: Sine and Cosine Values Using the Unit Circle – Multiples of pi/6 radians
Ex: Sine and Cosine Values Using the Unit Circle – Multiples of pi/4 radians
Ex: Determining Basic Trig Function Values Using The Unit Circle
Ex: Determining Trig Function Values Using The Unit Circle

Video Lessons 5.3: The Other Trigonometric Functions [duplicates]
- Introduction to Trigonometric Function Using Angles in Standard Position
- Determine Trigonometric Function Values using Reference Angles and Reference Triangles.
- Determine Trigonometric Function Values using the Unit Circle
Video Examples
- Ex: Find Six Trig Function Values Using Reference Triangles – Negative Degrees
- Ex: Find Six Trig Function Values Using Reference Triangles – Mult. of pi/6
- Ex: Find Six Trig Function Values Using Reference Triangles – Mult. of pi/4

Video Lessons 5.4: Right Triangle Trigonometry
Introduction to Trigonometric Functions Using Triangles
Similarity of right triangles

Video Examples
- Solve a Right Triangle Given an Angle and the Hypotenuse
- Solve a Right Triangle Given an Angle and a Leg
- Find Trig Function Values Using a Right Triangle – Length of Hypotenuse Missing
- (Correction in the video: cos A = b/c, not a/c @1:35 time stamp)
- Ex: Determine What Trig Function Related Specific Sides of a Right Triangle
- Ex: Determine Trig Function Value Given a Right Triangle
- Ex: Determine the Length of a Side of a Right Triangle Using a Trig Equation
- Find the Reach of a Ladder – Right Triangle Application










