FORMULE TRIGONOMETRIE

FORMULE TRIGONOMETRIE FORMULE FUNDAMENTALE

1. 2.

FORMULE PRIMUL CADRAN

3. 4.

5. 6.

7. VALORI FUNCII TRIGONOMETRICE N CERCUL TRIGONOMETRIC0

sin0

10-10

cos1

0-101

tg0

1

/0/0

ctg/

1

0/0/

Definiii n triunghiul dreptunghic:

8. sin= 9. cos= 10. tg= 11. ctg. = 12. 13.

Reducere la primul cadran14. 15. 16. 17. 18. 19.

20. 21. 22. 23. 24. 25.

Paritate/imparitate

26. 27.

28. 29.

Formule ptr. funcii trigonometrice de sume/diferene30.

31.

32.

33.

34. 35.

36. 37.

Transformarea sumelor/diferenelor n produs38.

39.

40.

41.

42. 43.

44. 45.

Formule pentru arcul dublu/triplu46. 47.

48.

49.

50. 51.

Transformarea produselor n sum/diferen52.

53.

54.

Formule pentru arcul dublu n funcie de tangenta arcului pe jumtate55. 56.

57. (identic cu formula 50.) 58.

PERIOADA PRINCIPAL PENTRU FUNCIILE TRIGONOMETRICE (T)

59. sin.......T =

60. cos......T =

61. tg....... T =

62. ctg......T =

FORMULE PENTRU JUMTI DE ARC63.

64.

65.

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