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# Trigonometric Ratios with a Calculator

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.
• Read

## Trigonometric Ratios with a Calculator

by CK-12 //at grade

This concept teaches students to find trigonometric ratios with a calculator in order to find missing sides of right triangles.

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• Video

## Trigonometric Ratios with a Calculator Principles

by CK-12 //at grade

This video gives more detail about the mathematical principles presented in Trigonometric Ratios with a Calculator.

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• Video

## Trigonometric Ratios with a Calculator Examples

by CK-12 //at grade

This video shows how to work step-by-step through one or more of the examples in Trigonometric Ratios with a Calculator.

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• Practice
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## Trigonometric Ratios with a Calculator Practice

by CK-12 //at grade
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• Critical Thinking

## Trigonometric Ratios with a Calculator Discussion Questions

by CK-12 //at grade

A list of student-submitted discussion questions for Trigonometric Ratios with a Calculator.

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• Pre Read

## Trigonometric Ratios with a Calculator Pre Read

by CK-12 //at grade

To activate prior knowledge, make personal connections, reflect on key concepts, encourage critical thinking, and assess student knowledge on the topic prior to reading using a Quickwrite.

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• Post Read

## Trigonometric Ratios with a Calculator Post Read

by CK-12 //at grade

To organize ideas, increase comprehension, synthesize learning, demonstrate understanding of key concepts, and reinforce vocabulary using a Quickwrite.

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• Post Read

## Trigonometric Ratios with a Calculator Four Square Concept Matrix

by CK-12 //at grade

Summarize the main idea of a reading, create visual aids, and come up with new questions using a Four Square Concept Matrix.

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• Real World Application

## Sine Cosine Tangent

by CK-12 //at grade

How did the ancient Greek astronomers determine the size of and distance from the Earth, Moon, and Sun?

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