Study Guides
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1.
Conversion from Degrees to Radians Help
Introduction to Conversion from Degrees to Radians Trigonometry has been used for over two thousand years to solve many real-world problems, among them surveying, navigating, and problems in engineering. Another important use is analytic—the trigonometric ...
Source: McGraw-Hill Professional -
2.
Trigonometry Practice Test
Review the following concepts if needed: Conversion from Degrees to Radians Help Coterminal and Reference Angles ...
Source: McGraw-Hill Professional -
3.
Trigonometry Review for Calculus Help
Introduction to Trigonometry Review for Calculus Here we give a whirlwind review of basic ideas of trigonometry. When we first learn trigonometry, we do so by studying right triangles and measuring angles in degrees. Look at Fig. ...
Source: McGraw-Hill Professional -
4.
Coterminal and Reference Angles Help
Introduction to Coterminal and Reference Angles Two angles are coterminal if their terminal sides are the same. For example, the terminal sides of the angles 300° and −60° are the same. See Figure 13.3.
Source: McGraw-Hill Professional -
5.
Trigonometric Functions Help
Introduction to Trigonometric Functions There are six trigonometric functions, but four of them are written in terms of two of the main functions—sine and cosine. Although trigonometry was developed to solve problems involving triangles, there is a very ...
Source: McGraw-Hill Professional -
6.
Graphs of Other Trigonometric Functions Help
Introudction to Graphs of Other Trigonometric Functions Because csc x = 1/sin x , the graph of y = csc x has a vertical asymptote everywhere y = sin x has an x -intercept (where sin x = 0). ...
Source: McGraw-Hill Professional -
7.
Right Triangle Trigonometry Help
Introduction to Right Triangle Trigonometry Using trigonometry to solve triangles is one of the oldest forms of mathematics. One of its most powerful uses is to measure distances—the height of a tree or building, the distance between earth and the ...
Source: McGraw-Hill Professional -
8.
Law of Sines and Cosines Help
Introduction to Law of Sines and Cosines We can solve other triangles using inverse trigonometric functions and the Law of Sines and/or the Law of Cosines. Although all triangles can be solved, sometimes we are given information that is true about more than one ...
Source: McGraw-Hill Professional -
9.
Law of Sines and Cosines Practice Problems
To review these concepts, go to Law of Sines and Cosines Help Law of Sines and Cosines Practice Problems Practice When rounding ...
Source: McGraw-Hill Professional -
10.
Miscellaneous Trigonometric Formulas Help
Miscellaneous Trigonometric Formulas The formulas in this section are used to find the exact value for more trigonometric ratios than the main angles—0, π /6, π /4, π /3, π /2. We will find ...
Source: McGraw-Hill Professional
