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Trigonometrical ratios

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Trigonometrical ratios

Laburpen fitxa

Deskripzioa:

As Thales' theorem tells us, trigonometrical ratios of an angle do not depend on the right-angled triangle we choose. Therefore, we can choose a right-angled triangle whose hypotenuse is the radius of a unit circle. We have drawn a set of axes and used the origin as the centre of an auxiliary circle whose radius is equal to one unit. We have drawn a right-angled triangle in the circle, which we will use to define the trigonometrical ratios. By choosing a radius of this length we have made it easier to find, for each trigonometrical ratio of a given angle, a segment whose length is equal to this ratio. This circle whose radius is equal to one unit is called the unit circle.

Orientazio didaktikoa:

KNOWLEDGE TYPE: procedural

LEARNING OBJECTIVES * To learn the trigonometrical ratios of angles. * To find the relation between the different trigonometrical ratios of the same angle. * To find the relation between the trigonometrical ratios of complementary and supplementary angles, as well as angles with a difference of p radians and opposite angles. * Recognise the relation that exists between the sides of a right-angled triangle.

PRIOR KNOWLEDGE The contents required are explained in this course

Lizentzia:

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Lizentziaren deskripzioa:

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.

Hartzailea:

ikaslea

Testuingurua:

ikasgela

Orokorra

Hizkuntza:

ingelesa

Gako hitzak: angle sine secant

Eremua: universal

Egitura:

lineala

Elkarketa maila:

Sekuentzia Didaktikoa

Bilduma: Descartes

Nodoa:

INTEF

agrega.educacion.es

URL gordelekua: /repositorio/04032010/f4/es_2010030463_9220857

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Eskakizun mota:

sistema eragilea

Eskakizunaren izena:

multi-os

Eskakizun mota:

nabigatzailea

Eskakizunaren izena:

edozein

Instalaziorako kontuan hartzekoak:

Installation is not required

Plataformaren beste eskakizun batzuk:

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

Hezkuntza erabilera

Hezkuntza baliabide mota:

ikaskuntzako eszenatoki erreala edo birtuala

Elkarrekintza mota:

konbinatua

Elkarrekintza maila:

altua

Dentsitate semantikoa:

erdikoa

Adina: 15

Zailtasuna:

erdikoa

Ikasketa denbora: 1H 40M / 2 teaching units

Hezkuntzako hizkuntza:

ingelesa

Kognizio prozesua:

analizatu

aplikatu

ulertu

Eskubideak

Lizentziaren kostua:

Sarbide mota:

unibertsala

Sarbidearen deskripzioa:

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