# Trigonometry with right triangles

## Introduction to the trigonometric ratios

Learn
Hypotenuse, opposite, and adjacentIntro to the trigonometric ratiosTrigonometric ratios in right trianglesTrigonometric ratios in right triangles
Practice
Trigonometric ratios in right trianglesGet 3 of 4 questions to level up!

## Solving for a side in a right triangle using the trigonometric ratios

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Solving for a side in right triangles with trigonometrySolving for a side in right triangles with trigonometry
Practice
Solve for a side in right trianglesGet 3 of 4 questions to level up!

## Solving for an angle in a right triangle using the trigonometric ratios

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Intro to inverse trig functions
Practice
Solve for an angle in right trianglesGet 3 of 4 questions to level up!

## Modeling with right triangles

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Right triangle word problemAngles of elevation and depressionRight triangle trigonometry review
Practice
Right triangle word problemsGet 3 of 4 questions to level up!

## Trigonometric ratios and similarity

Learn
Triangle similarity & the trigonometric ratiosTrig challenge problem: verify identitiesTrig challenge problem: trig values & side ratios

## Sine and cosine of complementary angles

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Sine & cosine of complementary anglesSine & cosine of complementary anglesUsing complementary anglesTrig word problem: complementary angles

## Trigonometric ratios of special triangles

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Trig ratios of special triangles

## Introduction to the Pythagorean trigonometric identity

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Intro to the Pythagorean trig identity

## The reciprocal trigonometric ratios

Learn
Reciprocal trig ratiosFinding reciprocal trig ratiosUsing reciprocal trig ratiosTrigonometric ratios review
Practice
Reciprocal trig ratiosGet 5 of 7 questions to level up!