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libro de trigonometria preuniversitaria nivel uni click aqui para ver

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* Triángulo <strong>de</strong>l Ángulo Doble :<br />

1<br />

2<br />

Tan<br />

2<br />

1<br />

2<br />

Tan<br />

2Tan<br />

Sen2<br />

Cos2<br />

2Tan<br />

2<br />

1 Tan<br />

1<br />

1<br />

2<br />

Tan<br />

2<br />

Tan<br />

IDENTIDADES TRIGONOMÉTRICAS DE LA VARIABLE MITAD<br />

Sen<br />

x<br />

2<br />

Seno <strong>de</strong><br />

x<br />

2<br />

1<br />

Cosx<br />

2<br />

Cos<br />

x<br />

2<br />

Coseno <strong>de</strong><br />

x<br />

2<br />

1<br />

Cosx<br />

2<br />

x<br />

Don<strong>de</strong> el signo ( ) <strong>de</strong>pen<strong>de</strong>rá <strong>de</strong>l cuadrante en el que se ubique<br />

2<br />

Tangente <strong>de</strong><br />

x<br />

2<br />

x<br />

Tan<br />

2<br />

Cscx<br />

Cotx<br />

x<br />

Cot<br />

2<br />

Cscx<br />

Tangente <strong>de</strong><br />

x<br />

2<br />

Tan<br />

x<br />

2<br />

Cotangente <strong>de</strong><br />

x<br />

2<br />

Cotx<br />

1<br />

1<br />

Cosx<br />

Cosx

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