Trigonometry: Triangles Help and Practice Problems

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

Study Guides

showing 1 - 10 of 19
  • 1.

    Right Triangle Model and the Pythagorean Theorem Help

    Introduction to Right Triangle Model and the Pythagorean Theorem We have just defined the six circular functions – sine, cosine, tangent, cosecant, secant, and cotangent – in terms of points on a circle. There is another way to ...

    Source: McGraw-Hill Professional
  • 2.

    Pythagorean Theorem for Sine, Cosine, Secant and Tangent Help

    Introduction to Pythagorean Extras—Sine, Cosine, Secant, and Tangent The theorem of Pythagoras, which you learned earlier in this book, can be extended to cover two important facts involving the circular trigonometric functions. These ...

    Source: McGraw-Hill Professional
  • 3.

    Trigonometry Practice Test

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

    Source: McGraw-Hill Professional
  • 4.

    Trigonometric Values of Angles Practice Questions

    To review these concepts, go to Trigonometric Values of Angles Study Guide. Trigonometric Values of Angles Practice Questions Convert the following into radians. ...

    Source: LearningExpress, LLC
  • 5.

    Trigonometry and Triangles Study Guide

    Trigonometry and Triangles This lesson examines triangles. We see why the angles of a triangle add up to 180° (or p radians). We also see how two triangles with the same three angles (similar triangles) will always be scaled or enlarged ...

    Source: LearningExpress, LLC
  • 6.

    The Pythagorean Theorem Study Guide

    The Pythagorean Theorem In this lesson, we examine a very powerful relationship between the three lengths of a right triangle. With this relationship, we will find the exact length of any side of a right triangle, provided we know the lengths of ...

    Source: LearningExpress, LLC
  • 7.

    Isosceles and Equilateral Triangles Study Guide

    Isosceles and Equilateral Triangles In this lesson, we study two special right triangles for which we are able to know both the angle measures and the trigonometric values. The first triangle is the isosceles right triangle, with two 45° ...

    Source: LearningExpress, LLC
  • 8.

    Finding Length in Trigonometry Study Guide

    Finding Length in Trigonometry In this lesson, we use the basic trigonometric functions to solve word problems. In these problems, we use an angle and a distance to find the other distances around a right triangle. It is fortunate ...

    Source: LearningExpress, LLC
  • 9.

    Finding Angles in Right Triangles Study Guide

    Finding Angles in Right Triangles In this lesson, we explore a variety of word problems in which we must calculate the measure of an angle from a right triangle. With inverse trigonometric functions sin–1, cos–1, ...

    Source: LearningExpress, LLC
  • 10.

    Advanced Trigonometry Review Study Guide

    Word Problems At this point, we are now able to solve just about any problem that involves a triangle. The main trick is to draw the triangle and include all the information that is given. The word problems in this lesson will require knowledge and formulas from ...

    Source: LearningExpress, LLC
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