Mathematics for IT Lecture 4 trigonometric. TRIG REVIEW Trig Function Evaluation : How to use the...
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Transcript of Mathematics for IT Lecture 4 trigonometric. TRIG REVIEW Trig Function Evaluation : How to use the...
![Page 1: Mathematics for IT Lecture 4 trigonometric. TRIG REVIEW Trig Function Evaluation : How to use the unit circle to find the value of trig functions at some.](https://reader035.fdocuments.net/reader035/viewer/2022072111/56649ee65503460f94bf723d/html5/thumbnails/1.jpg)
Mathematics for IT
Lecture 4
trigonometric
![Page 2: Mathematics for IT Lecture 4 trigonometric. TRIG REVIEW Trig Function Evaluation : How to use the unit circle to find the value of trig functions at some.](https://reader035.fdocuments.net/reader035/viewer/2022072111/56649ee65503460f94bf723d/html5/thumbnails/2.jpg)
TRIG REVIEW
• Trig Function Evaluation : • How to use the unit circle to find the value of
trig functions at some basic angles
• Graphs of Trig Functions: • The graphs of the trig functions and some nice
properties that can be seen from the graphs.
![Page 3: Mathematics for IT Lecture 4 trigonometric. TRIG REVIEW Trig Function Evaluation : How to use the unit circle to find the value of trig functions at some.](https://reader035.fdocuments.net/reader035/viewer/2022072111/56649ee65503460f94bf723d/html5/thumbnails/3.jpg)
TRIG REVIEW (Cont.)
• Solving Trig Equations: • Techniques for solving equations involving
trig functions
• Inverse Trig Functions: • The basics of inverse trig functions
![Page 4: Mathematics for IT Lecture 4 trigonometric. TRIG REVIEW Trig Function Evaluation : How to use the unit circle to find the value of trig functions at some.](https://reader035.fdocuments.net/reader035/viewer/2022072111/56649ee65503460f94bf723d/html5/thumbnails/4.jpg)
1. TRIG FUNCTION EVALUATION
• relate degrees and radians table
![Page 5: Mathematics for IT Lecture 4 trigonometric. TRIG REVIEW Trig Function Evaluation : How to use the unit circle to find the value of trig functions at some.](https://reader035.fdocuments.net/reader035/viewer/2022072111/56649ee65503460f94bf723d/html5/thumbnails/5.jpg)
• Cos( and sin(
![Page 6: Mathematics for IT Lecture 4 trigonometric. TRIG REVIEW Trig Function Evaluation : How to use the unit circle to find the value of trig functions at some.](https://reader035.fdocuments.net/reader035/viewer/2022072111/56649ee65503460f94bf723d/html5/thumbnails/6.jpg)
• Remember how the signs of angles work.
• If you rotate in a counter clockwise direction the angle is positive
• if you rotate in a clockwise direction the angle is negative