Study Guides
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1.
Cartesian Coordinates Help
Introduction to Cartesian Coordinates—Number Lines Trigonometry involves angles and their relationships to distances. All of these relationships arise from the characteristics of a circle, and can be defined on the basis of the graph of ...
Source: McGraw-Hill Professional -
2.
Circles in the Plane Help
Introduction to Circles in the Plane Circles are not technically functions as represented in the Cartesian coordinate system, but they are often encountered in mathematics and science. They are defined by equations in which either x ...
Source: McGraw-Hill Professional -
3.
Trig Circle Help
Introduction to Trig Circles and Primary Circular Functions Consider a circle in rectangular coordinates with the following equation: x 2 + ...
Source: McGraw-Hill Professional -
4.
Secondary Circular Functions Help
The Cosecant Function The sine, cosine, and tangent functions form the cornerstone for the whole branch of practical mathematics commonly called trigonometry. However, three more circular functions exist. Their values represent the reciprocals ...
Source: McGraw-Hill Professional -
5.
The Circle Model Practice Test
Review the following concepts if needed: Cartesian Coordinates Help
Source: McGraw-Hill Professional -
6.
Pythagorean Extras Help
Pythagorean Extras The theorem of Pythagoras can be extended to cover two important facts involving the circular trigonometric functions. These are worth remembering. Pythagorean Theorem For Sine And Cosine ...
Source: McGraw-Hill Professional -
7.
Trigonometric Identities Help
Introduction to Trigonometric Identities The following paragraphs depict common trigonometric identities for the circular functions. Unless otherwise specified, these formulas apply to angles θ and ø in the ...
Source: McGraw-Hill Professional -
8.
Trigonometric Functions Practice Test
Review the following concepts if needed: The Right Triangle Model Help
Source: McGraw-Hill Professional -
9.
Trigonometry and Angles Study Guide
Trigonometry and Angles In this lesson, we examine the concept of an angle. There are two ways to measure the size of an angle: with degrees or with radians. We study both, along with the ways to convert from one to the other. An ...
Source: LearningExpress, LLC -
10.
The Unit Circle Study Guide
The Unit Circle In this lesson, we find the coordinates of many of the points on the unit circle. So far, we have evaluated trigonometric functions only for acute angles, those between 0° and 90°. To work with other angles, ...
Source: LearningExpress, LLC
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