Trigonometria Flashcards

1
Q

Cos(x+-b)=

A

Cos x cos b -+sen x sen b

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2
Q

Tg(x+-b)=

A

Tg x +-tg b /1-+tgx tg b

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3
Q

Sen2x =

A

2 sen x cos x

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4
Q

Cos2x=

A

Cos2ºx -sen2ºx

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5
Q

Tg2x=

A

2tgx/1-tg2ºx

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6
Q

Sen x/2=

A

{1-cos x /2}

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7
Q

Cos x/2=

A

{1+cos x/2}

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8
Q

Tg x/2=

A

{1-cos x/1+cos x}

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9
Q

Sen x=

A

Cateto opuesto /hipotenusa

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10
Q

Cos x=

A

Cateto contiguo /hipotenusa

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11
Q

Tag x=

A

Cateto opuesto /cateto contiguo

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12
Q

Cosec x=

A

1 /sec x

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13
Q

Sec x=

A

1/cos x

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14
Q

Cotag x=

A

1/tag

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15
Q

Sen(x+-b)=

A

Sen x cos b +- cos x sen b

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