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Chapter 03Trigonometry

0103.01Triangle Basics
0203.02Types of Triangles
0303.03Similar and Congruent Triangles
0403.04Pythagorean Theorem and Special Triangles
0503.05Sine, Cosine, and Tangent
0603.06The Unit Circle
0703.07Secant, Cosecant, and Cotangent
0803.08Trigonometric Identities
0903.09Solving Trigonometric Equations
1003.10Inverse Trigonometric Functions
1103.11The Law of Sines
1203.12The Law of Cosines

Chapter 03 · Trigonometry

0103.01Triangle Basics
0203.02Types of Triangles
0303.03Similar and Congruent Triangles
0403.04Pythagorean Theorem and Special Triangles
0503.05Sine, Cosine, and Tangent
0603.06The Unit Circle
0703.07Secant, Cosecant, and Cotangent
0803.08Trigonometric Identities
0903.09Solving Trigonometric Equations
1003.10Inverse Trigonometric Functions
1103.11The Law of Sines
1203.12The Law of Cosines

Topics / 03 Trigonometry

03.02

Types of Triangles

Classify triangles by their sides and angles, and use their special properties.

About 12 minutes

You'll learn to

→Classify triangles by sides and by angles
→Use properties of isosceles and equilateral triangles
→Tell acute, right and obtuse apart from side lengths alone

← 03.01 Triangle Basics 03.03 Similar and Congruent Triangles →

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