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ANGOLI ASSOCIATI

ANGOLI ASSOCIATI. ANGOLI OPPOSTI: a e - a. sen (- a ) = - sen a cos (- a ) = cos a tg (- a ) = - sen a cotg (- a ) = - sen a. B. a. - a. O. C. Sen a = Cos a =. ANGOLI ESPLEMENTARI: a e 2p- a. sen ( 2p – a ) = - sen a cos ( 2p – a ) = cos a

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ANGOLI ASSOCIATI

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  1. ANGOLI ASSOCIATI

  2. ANGOLI OPPOSTI: a e - a • sen (-a) = - sen a • cos (-a) = cos a • tg (-a) = - sen a • cotg (-a) = - sen a B a -a O C Sen a = Cos a = Angoli associati

  3. ANGOLI ESPLEMENTARI: a e 2p- a • sen (2p – a) = - sen a • cos (2p – a) = cos a • tg (2p – a) = - tan a • cotg (2p – a) = - cotg a B a -a O C Sen a = Cos a = Angoli associati

  4. ANGOLI SUPPLEMENTARI: a e p- a • sen (p – a) = sen a • cos (p – a) = - cos a • tg (p – a) = - tg a • cotg (p – a) = - cotg a a B p - a a O C Sen a = Cos a = Angoli associati

  5. ANGOLI che differiscono di un angolo piatto: a e p+ a • sen (p + a) = -sen a • cos (p + a) = - cos a • tg (p + a) = tg a • cotg (p + a) = cotg a B p + a a O C Sen a = Cos a = Angoli associati

  6. ANGOLI COMPLEMENTARI: a e p/2- a • sen (p/2 – a) = cos a • cos (p/2 – a) = sen a • tg (p/2 – a) = cotg a • cotg (p/2 – a) = tg a B a O p - a C Sen a = Cos a = Angoli associati

  7. ANGOLI che differiscono di un angolo retto: a e p/2+ a • sen (p/2 +a) = cos a • cos (p/2 + a) = - sen a • tg (p/2 + a) = - cotg a • cotg (p/2 +a) = - tg a B a O p - a C Sen a = Cos a = Angoli associati

  8. ANGOLI la cui somma è 3p/2 : a e 3p/2- a • sen (3p/2 – a) = - cos a • cos (3p/2 – a) = - sen a • tg (3p/2 – a) = cotg a • cotg (3p/2 – a) = tg a B a O p - a C Sen a = Cos a = Angoli associati

  9. ANGOLI che differiscono di 3p/2: a e 3p/2+ a • sen (3p/2 +a) = - cos a • cos (3p/2 + a) = sen a • tg (3p/2 + a) = - cotg a • cotg (3p/2 +a) = - tg a B a O C Sen a = Cos a = Angoli associati

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