# Trigonometric Identities and Equations

## Based on amplitude, frequency, and horizontal and vertical translations.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Trigonometric Identities and Equations

Describe general forms and graphs for cosine and sine equations
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## Solving Trigonometric Equations

by EPISD Precalculus Team //at grade
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• Video

## Example: Graphing a Transformation of Sine and Cosine

Shows an example of describing then graphing a sine or cosine graph transformation.
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• Study Guide

## Vertical and Horizontal Translations, Amplitude, Period, and Frequency

by Edgar Magana //basic
This covers the transmutations of the trigonometric functions sine and cosine
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• Study Guide

## Vertical and Horizontal Translations, Amplitude, Period, and Frequency

by Sierra Lundberg //basic
This covers the transmutations of the trigonometric functions sine and cosine
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