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Handout

Purplemath: Inverses of Trigonometric Ratios

Curated by ACT

You know that you can take side lengths and find trig ratios, and you know you can find trig ratios (in your calculator) for angles. What is missing is a way to go from the ratios back to the original angles. And that is what "inverse trig" values are all about. Also, it explains what the inverse trig buttons on a calculator are, and how to use them.

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Concepts

inverse, inverse trigonometric functions, unit circle

Additional Tags

basic review of trigonometry, purplemath, right angle, trig ratios, cosine inverse, find angle sides, sine inverse, tangent inverse, trig button calculator, right triangle, trigonometric and inverse trigonometric functions

Classroom Considerations

Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)
The intended use for this resource is Instructional

Common Core

View 25,844 other resources for 9th - 10th Grade General Math