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# Inverse Trigonometric Ratios

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.

## Inverse Trigonometric Ratios

This concept teaches students to use inverse trigonometric ratios to solve for missing angles in right triangles.

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## Inverse Trigonometric Ratios Principles

This video gives more detail about the mathematical principles presented in Inverse Trigonometric Ratios.

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• Video

## Inverse Trigonometric Ratios Examples

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

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• Practice
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## Inverse Trigonometric Ratios Practice

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• Critical Thinking

## Inverse Trigonometric Ratios Discussion Questions

A list of student-submitted discussion questions for Inverse Trigonometric Ratios.

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## Inverse Trigonometric Ratios Pre Read

To activate prior knowledge, to generate questions about a given topic, and to organize knowledge using a KWL Chart.

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## Inverse Trigonometric Ratios Post Read

To activate prior knowledge, to generate questions about a given topic, and to organize knowledge using a KWL Chart.

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## Inverse Trigonometric Ratios Four Square Concept Matrix

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

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

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• Study Guide