Relações entre as razões trigonométricas Flashcards

1
Q

sen (-α) =

A

.- sen α

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2
Q

cos (-α) =

A

cos α

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3
Q

tan (-α) =

A

.- tan α

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4
Q

sen (180º - α) =

A

sen α

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5
Q

cos (180º - α) =

A

.- cos α

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6
Q

tan (180º - α) =

A

.- tan α

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7
Q

sen (180º + α) =

A

.- sen α

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8
Q

cos (180º + α) =

A

.- cos α

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9
Q

tan (180º + α) =

A

tan α

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10
Q

sen (90º - α) =

A

cos α

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11
Q

cos (90º - α) =

A

sen α

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12
Q

sen (90º + α) =

A

cos α

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13
Q

cos (90º + α) =

A

.- sen α

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