Analyze Math: Trigonometry: Sum and Difference Formulas Examples

Need practice deriving trigonometric angle formulas? With this worksheet, pupils derive the sum and difference formulas for cosine and tangent and the difference formula for sine. Scholars use the sine sum formula and other known...

Students explore trigonometric formulas. Definitions of the sum and difference formulas are included.

This tutorial introduces the sum and differnce formulas for tangent, and gives several examples of problems to be solved as well as proving other identities. Assumes knowledge of the sum and difference formulas for sine and cosine.

Learners factor polynomials using the sum and difference of cubes. They also learn connections between the graph and expression.

[Free Registration/Login may be required to access all resource tools.] Solving equations and verifying identities with the sum and difference formulas.

Twenty problems are presented for practice working with sum and difference formulas for sine, cosine, and tangent.

[Free Registration/Login may be required to access all resource tools.] Examples, videos, and practice problems covering cosine of a sum or difference related to a set of cosine and sine functions. Here you'll learn to rewrite cosine...

[Free Registration/Login may be required to access all resource tools.] Sine of a sum or difference related to a set of cosine and sine functions. Here you'll learn to rewrite sine functions with addition or subtraction in their...

An introduction to trigonometric identities, beginning with the sum and difference formulas. Some of the formulas are proven, some are left to the reader. Includes several examples and pictures.

[Free Registration/Login may be required to access all resource tools.] Here you'll learn to rewrite tangent functions with addition or subtraction in their arguments in a more easily solvable form.