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The Importance of Ratios in Trigonometry
The trigonometric functions are based on properties of right triangles. Right triangles have one 90-degree angle on the interior, two shorter sides and a longer, slanted side called the "hypotenuse." In trigonometry, the concern is with an unknown angle.... More »
Difficulty: Easy
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## Trigonometry

en.wikipedia.org/wiki/Trigonometry

Trigonometry is most simply associated with planar right-angle triangles (each of .... These ratios are given by the following trigonometric functions of the known ...

## Basic Trigonometric Ratios: Examples - Purplemath

www.purplemath.com/modules/basirati.htm

Demonstrates how to use trig ratios to do simple solving of triangles.

## The basics of trigonometry | Basic trigonometric ratios | Khan Academy

Example: Trig to solve the sides and angles of a right triangle .... And we'll see that there are other trig ratios,; but they can all be derived from these three; basic  ...

## Trigonometric Ratios - Hotmath

hotmath.com/hotmath_help/topics/trigonometric-ratios.html

The trigonometric ratios are special measurements of a right triangle (a triangle with one angle measuring 90<sup>o</sup>). Remember that the two sides of a right triangle ...

## IXL - Trigonometric ratios: sin, cos, and tan (Geometry practice)

www.ixl.com/math/geometry/trigonometric-ratios-sin-cos-and-tan

Fun math practice! Improve your skills with free problems in 'Trigonometric ratios: sin, cos, and tan' and thousands of other practice lessons.

## Trigonometric Ratios - Maths First - Massey University

mathsfirst.massey.ac.nz/Trig/TrigRatio.htm

Trigonometric Ratios. If one of the angles of a triangle is 90º (a right angle), the triangle is called a right angled triangle. We indicate the 90º (right) angle by ...

## Trigonometry - Math is Fun

www.mathsisfun.com/algebra/trigonometry.html

Trigonometry (from Greek trigonon "triangle" + metron "measure") ... Trigonometry is good at find a missing side or angle in a triangle. The special functions Sine, ...

## Using Trig Ratios to Solve Triangles: Sides - Soft Schools

www.softschools.com/math/calculus/using_trig_ratios_to_solve_triangles_sides/

The trig ratios can be used to find lots of information, and one of their main purposes is to help solve triangles. To solve a triangle means to find the length of all ...

## Definition of Trigonometric Ratios | Chegg.com

www.chegg.com/homework-help/definitions/trigonometric-ratios-63

The six trigonometric ratios relate the sides of a right triangle to its angles. Specifically, they are ratios of two sides of a right triangle and a related angle.

Popular Q&A
Q: How to Graph Trig Ratios.
A: 1. Make a table with seven columns. The first column will be for the angles; the other six are for each of the six trig ratios: sine, cosine, tangent, cotangent... Read More »
Source: www.ehow.com
Q: What are the 6 trig ratios?
A: The 6 trig rations are sine, tangent, secant, cosine, cotangent, cosecant. They are abbreviated sin,tan, sec, cos, cot, Read More »
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Q: What are three trig ratios?
A: Three trigonometric ratios (sine, cosine, and tangent) will be defined and Read More »
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Q: What are the six trig ratios?
A: point given (4,8) Adj = 4. Opp = -8. Hyp =4√5. Angle = 296.56505117707798º = 5.176036589385495 radians. Sin = Opp/Hyp = -8/(4√5) = -2√5/5. Cos = Adj/Hyp = 4/(4√... Read More »