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Trigonometrical ratios of right angles triangles

tipo de documento French-Foreign Language - Teaching sequence

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Trigonometrical ratios of right angles triangles

Worksheet overview

Description:

This unit offers an introduction to basic trigonometry such as trigonometrical ratios of acute angles. Students are expected to have some notion of angles and measuring angles as well as a basic understanding of complementary angles. There is also an introduction to the connection between trigonometrical ratios and the basic trigonometrical identities needed to solve right-angled triangles.

Teaching orientation:

KNOWLEDGE TYPE: declarative

PRIOR KNOWLEDGEPrevious knowledge is not necessary

LEARNING OBJECTIVESIntroduce the concept of trigonometrical ratios and their formulae Work out the trigonometrical ratios of acute angles Introduce the connection between different trigonometrical ratios Introduce identities to solve right-angled triangles

License:

creative commons: attribution - non commercial - share alike

License description:

The use of the following contents is universal, free of charge and open, provided that it is for non-commercial educative use. The actions, products and utilities derived from its use may therefore not generate any profit. Moreover, a reference to the source is required.

End user:

learner

Context:

schoolmate

General

Language:

english

KeyWords: trigonometrical ratios acute angles trigonometrical identities

Scope: universal

Structure:

linear

Agregation level:

Teaching Sequence

Collection: Descartes

Node:

INTEF

agrega.educacion.es

Repository URL: /repositorio/13032010/f1/es_2010031313_9185205

IMS Manifest Download file

Technique

Format:

image/gif

text/html

Requirement type:

browser

Requirement name:

any

Requirement type:

operating system

Requirement name:

multi-os

Installation considerations:

Installation is not required

Other platform requirements:

Install and enable the Java interpreter and Plug-in of the Applet Descartes on local

Educational use

Educational learning resource type:

real or virtual learning environment

Interaction type:

mixed

Interaction level:

high

Semantic density:

low

Age: 15 years

Difficulty:

easy

Learning time: 1 teaching sunit

Educational language:

english

Cognitive process:

practise

recognize

Rights

License cost:

Access type:

universal

Access description:

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