Learners explore trigonometric identities. Definitions of the Pythagorean, reciprocal, tangent, and negative identities are included.

Students will "discover" that perpendicular lines have negative reciprocal slopes. [Requires Adobe Reader.]

[Free Registration/Login may be required to access all resource tools.] Find the quotient of a mixed number and a fraction by converting to an improper fraction and multiplying by a reciprocal.

Explore the term reciprocal (multiplicative inverse) when dividing rational numbers and take a quiz to assess learning.

Two hands-on lab activities for instructors to use when teaching about the coordinate graphs of the sine, cosine, and tangent functions derived from a unit circle. The graphs of the reciprocals of the three functions are investigated....

For this task, students use ideas about linear functions to determine when certain angles are right angles. They use the fact that two lines (if not vertical or horizontal) are perpendicular when their slopes are inverse reciprocals, as...

[Free Registration/Login may be required to access all resource tools.] In this lesson students find the quotient of two fractions by multiplying by the reciprocal. Students examine guided notes, review guided practice, watch...

The mathematics session investigates the six trigonometric functions and reciprocal functions. The tutorial consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher resource includes the Greek...

An infographic illustrating personal, reflexive, and reciprocal pronouns.

This lesson discusses different types of pronouns, including personal, possessive, reflexive, relative, demonstrative, indefinite and reciprocal. This tutorial lesson shares a short slideshow with the lesson's content.

Learn about how to find reciprocal on this webpage. The page focuses on multiplying and dividing fractions.

In this lesson, learn how to divide fractions using the shortcut of reciprocal numbers which is shown in the accompanying video. [10:31] The lesson also includes practice problems and many word problems.

Dividing algebraic expressions is demonstrated with several examples. Methods as simple as using reciprocals are shown, as well as using long division to divide polynomial expressions.

The University of Saskatchewan provides an explanation of trigonometric identities, including the reciprocal identities, the addition and subtraction formulas with sine and cosine, and the double angle formulas. There are links to...

The lesson teaches students about an important characteristic of lines: their slopes. Slope can be determined either in graphical or algebraic form. Slope can also be described as positive, negative, zero or undefined. Students get an...

This site has an explanation of how to divide fractions by multiplying the reciprocal of the denominator. It explains why you invert and multiply! This site also contains links to numerous Math Forum sites pertaining to fractions,...

Resource provides trigonometry formulas for unit circle, reciprocal identities, ratio identities, Pythagorean identities, sum and difference formulas, and double-angle formulas.

Original 6 -art article. Italy, Germany and Japan enter agreement that none will agree to an armistice or peace without the reciprocal agreement of the three.

In this interactive students will understand crystals and chemicals in everyday life. The animation takes you through a household and explains various crystallogrophy we use all the time. Objects include light bulbs, items in a bathroom...

The definitions of the six trig ratios are presented here, along with several examples of how to determine the ratios given 2 or more sides of a right triangle.

A basic definition for what the Golden Mean (Golden Ratio) is and how to find its reciprocal.

Explore NOVA Online's interactive steam engine and discover how this machine can convert heat to mechanical energy.

This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...

This lesson engages students in classmates sharing their talents. Students will communicate information about their talent and then teach their classmates.