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Trigonometry: Circles Help and Practice Problems

Find study help on circles for trigonometry. Use the links below to select the specific area of circles you're looking for help with. Each guide comes complete with an explanation, example problems, and practice problems with solutions to help you learn circles for trigonometry.

Study Guides

showing 1 - 10 of 16
  • 1.

    Trigonometry and More about Circles Help

    Introduction to Trigonometry and More abut Circles Trigonometry (or “trig”) involves angles and distances. Trigonometry scares some people because of the Greek symbology, but the rules are clear-cut. Once you can get used ...

    Source: McGraw-Hill Professional
  • 2.

    Primary Circular Functions Help

    Introduction to Primary Circular Functions Consider a circle in the Cartesian xy -plane with the following equation: x

    Source: McGraw-Hill Professional
  • 3.

    Secondary Circular Functions Help

    Introduction to Secondary Circular Functions The three functions defined above form the cornerstone for trigonometry. But three more circular functions exist. Their values represent the reciprocals of the values of the primary circular ...

    Source: McGraw-Hill Professional
  • 4.

    Trigonometry Practice Test

    Review the following concepts if needed: Trigonometry and More about Circles Help Primary ...

    Source: McGraw-Hill Professional
  • 5.

    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 ...

    Source: McGraw-Hill Professional
  • 6.

    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
  • 7.

    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
  • 8.

    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
  • 9.

    The Circle Model Practice Test

    Review the following concepts if needed: Cartesian Coordinates Help

    Source: McGraw-Hill Professional
  • 10.

    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
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