EngliSea > M > math > 50 Trigonometry

A branch of mathematics that studies relationships between side lengths and angles of triangles
 
Origin of Trigonometry
9619
 
 graph
graph
9097
 
01 Introduction to Trigonometry
Angles and Radians
5020
 
02 Trigonometric Functions
Sine, Cosine, Tangent, Cosecant, Secant, and Cotangent
5021
 
Songs in Easy English
 
03 The Easiest Way to Memorize the Trigonometric Unit Circle
The Easiest Way to Memorize the Trigonometric Unit Circle
5022
 
04 Basic Trigonometric Identities
Basic Trigonometric Identities: Pythagorean Identities and Cofunction Identities
5107
 
05 Graphing Trigonometric Functions
Graphing Trigonometric Functions
5108
 
06 Inverse Trigonometric Functions
5109
 
07 Verifying Trigonometric Identities
Verifying Trigonometric Identities
5110
 
09 Solving Trigonometric Equations
Solving Trigonometric Equations
5112
 
10 The Law of Sines
The Law of Sines
5117
 
11 The Law of Cosines
The Law of Cosines
5118
 
Hyperbolic Functions: Definitions, Identities, Derivatives, and Inverses
Hyperbolic Functions: Definitions, Identities, Derivatives, and Inverses
3672
 
Identity
Identity
9667
 
Intro to Radians
right off the bat #math
3463
 
Inverse trigonometric functions
9672
 
Parametric Equations
3697
 
Polar Coordinates and Graphing Polar Equations
3696
 
Pythagorean Identities
↑φ / →φ = ↗φ (↑φ)² + (→φ)² = 1 1 + (↙φ)² = (↓φ)² (↗φ)² + 1 = (←φ)²
9674
 
Trigonometric Identities
9603

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