For a complete lesson on solving literal equations, go to http://www.MathHelp.com – 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn to solve for a given variable in a formula by isolating the given variable on one side of the equation. For example, to solve for “r” in the equation rt = d, divide both sides by “t” to get r = d/t.

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Understanding the definition and motivation for radians and the relationship between radians and degrees Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/trigonometry/unit-circle-trig-func/radians_tutorial/e/radians-on-the-unit-circle?utm_source=YT&utm_medium=Desc&utm_campaign=Trigonometry Watch the next lesson: https://www.khanacademy.org/math/trigonometry/unit-circle-trig-func/radians_tutorial/v/rotation-by-radians-and-quadrants?utm_source=YT&utm_medium=Desc&utm_campaign=Trigonometry Missed the previous lesson? https://www.khanacademy.org/math/trigonometry/basic-trigonometry/reciprocal-trig-functions/v/example-using-trig-to-solve-for-missing-information?utm_source=YT&utm_medium=Desc&utm_campaign=Trigonometry Trigonometry on Khan Academy: Big, fancy word, right? Don’t be fooled. Looking at the prefix, tri-, you could probably assume that trigonometry…

Inequalities rules.

This example problem is from the Undergraduate Mechanics text: Conceptual Dynamics. This problem analyzes the pure translation of a rigid body under the influence of forces employing a Newtonian approach (sum of the forces, sum of the moments).

The relationship between basic trigonometric functions and the coordinates of a circle.