# Basic Trigonometric Functions

## Sine, cosine, tangent, and other ratios of sides of a right triangle.

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.

## Right Triangle Trigonometry

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## Right Triangle Trigonometry

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## Right Triangle Trigonometry

by EPISD Precalculus Team //at grade
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## Right Triangle Trigonometry - Jumpstart

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## Right Triangle Trigonometry

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• Real World Application

## Calculating The Heights of Mountains

How do people find out how tall a mountain peak is? Do they have to climb it? Do they use measuring tapes? No! They use Trigonometry!
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• Study Guide