caja 1 trigo Flashcards

1
Q

ciruclo

A

conjunto de puntos en un plano que estan a una distancia fija de un punto (centro)

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2
Q

radio

A

la distancia entre el centro y cualquier punto en el ciruculo

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3
Q

pi

A

relacion entre la circuferencia y el diametro, pi = c/d

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4
Q

longitud del arco

A

seccion de la circumferencia creada por dos radios

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5
Q

radian

A

unidad para medir angulos, es cuando la longitud del arco = al raido del ciruculo

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6
Q

cuantos radianes en un circulo

A

en circulo hay 6.28 rads o 2pi rads.

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7
Q

cuanto vale un radian en grados?

A

1 rad * 180°/pi rad = 57.30

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8
Q

pi rad=

A

180°

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9
Q

que es r?

A

r= radio, hypotenusa, r=1

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10
Q

sinx=

A

y/r, y/1

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11
Q

cosx=

A

x/r,x/1

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12
Q

tanx=

A

y/x

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13
Q

cscx

A

r/y

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14
Q

secx

A

r/x

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15
Q

cot

A

x/y

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16
Q

identidades de pitgoricas

A

para triangulos cuadrados no especiales, x^2+y^2=r^2

osea

cos^2x+sin^2=1
cot^2x+1=csc^2x
1+tan^2=sec^x

17
Q

el ciruculo unitario

A

se divide en partes iguales teniendo en cuenta que pi rad=180°, se convierten esas partes en pi rad a grados, y se encuentran las cordenadas sabiendo que sin representa y cos la x

18
Q

para encontrar las cordenadas

A

usas las reglas de los triangulos rectangulos especiales, teniendo en cunta que la hyp =1(porque es el radio)