Формулы суммы и разности аргументов Flashcards
1
Q
sin(A+-B)=
A
=sinAcosB+-sinBcosA
2
Q
cos(A+-B)=
A
=cosAcosB+-sinAsinB
3
Q
tg(A+-B)=
A
=tgA+-tgB/1+-tgAtgB
4
Q
ctg(A+-B)=
A
=-1+-ctgActgB/ctgA+-ctgB
sin(A+-B)=
=sinAcosB+-sinBcosA
cos(A+-B)=
=cosAcosB+-sinAsinB
tg(A+-B)=
=tgA+-tgB/1+-tgAtgB
ctg(A+-B)=
=-1+-ctgActgB/ctgA+-ctgB