Other
Trigonometry: A Crash Review
This site really is a crash review on trigonometry! Formulas, functions - you name it, it's covered! Also includes self quizzes for practice.
Johan Claeys
Math Abundance: Trigonometry: The Sine Function
Definition of a sine function. Range and period also are given. Graph of sine function given as well.
Alabama Learning Exchange
Alex: "Woody Sine"
The students will discover the shape of the sine function without creating a t-chart. The students will create a sine function using toothpicks. The students will then discover how the amplitude (height) and the period (number of compete...
Purple Math
Purplemath: Inverses of Trigonometric Ratios
You know that you can take side lengths and find trig ratios, and you know you can find trig ratios (in your calculator) for angles. What is missing is a way to go from the ratios back to the original angles. And that is what "inverse...