Trigonometry Notes and Example Problems

Each link is a pdf document.
Key topics in each document are noted with bulletpoints.

Press Ctrl F keys (Command F on Mac) to search for topics.

Angles

• Initital Side, Terminal Side
• Standard Position
• Central Angle
• Formulas
• Measures of Angles
• Convert Degree to Radian and Radian to Degree
• Co-Terminal Angles
• Quadrantal Angles
• Reference Angle

Right Triangle Trigonometry

• Trig Functions: Sine, Cosine, Tangent, Secant, Cosecant, Cotangent
• SohCahToa
• Pythagorean Theorem
• Formulas
• Measures of Angles
• Reciprocal Identities

The Unit Circle

• Trig Functions on the Unit Circle

Graphing Trigonometric Functions

• Graphing Sine and Cosine
• Graphing Other Trigonometric Functions
• Transformations
• Amplitude, stretch, compression
• Period, Frequency
• Phase shift (horizontal shift)
• Vertical Shift (midline)
• Key Points