Right Triangle Trigonometry
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So how did those ancient Greek mathematicians do trigonometry? Look at the video to the left and find out! |
Interested in a global history of trigonomotry? Watch the video to your right. |
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Need help with sine, cosine, and tangent? Click here
Want to find out the history of sine, cosine and tangent? Click here
Want to use trigonometry to find the area of ANY triangle? Click here
Want to find out the history of sine, cosine and tangent? Click here
Want to use trigonometry to find the area of ANY triangle? Click here
The Sine Function
The Unit Circle
Need help with the unit circle? Click here
Click here for a tutoring session with THAT TUTOR GUY.
Click here for the PowerPoint about the hand trick to remember the EXACT values for each of the trig functions.
Click here for a GREAT applet that shows how the sine, cosine and tangent graphs are literally SPUN from the unit circle to graph the functions!
Click here for a tutoring session with THAT TUTOR GUY.
Click here for the PowerPoint about the hand trick to remember the EXACT values for each of the trig functions.
Click here for a GREAT applet that shows how the sine, cosine and tangent graphs are literally SPUN from the unit circle to graph the functions!