p k+arcctg m < a < p +p k
Ïðîèçâîäíàÿ:
(xn)’ = n× xn-1
(ax)’ = ax× ln a
(lg ax )’= 1/(x× ln a)
(sin x)’ = cos x
(cos x)’ = -sin x
(tg x)’ = 1/cos² x
(ctg x)’ = - 1/sin² x
(arcsin x)’ = 1/ Ö (1-x² )
(arccos x)’ = - 1/ Ö (1-x² )
(arctg x)’ = 1/ Ö (1+x² )
(arcctg x)’ = - 1/ Ö (1+x² )
Ñâ-âà:
(u × v)’ = u’× v + u× v’
(u/v)’ = (u’v - uv’)/ v²
Óðàâíåíèå êàñàòåëüíîé ê ãðàô.
y = f(x0)+ f ’(x0)(x-x0)
óðàâíåíèå ê êàñàòåëüíîé ê ãðàôèêó â òî÷êå x
1. Íàéòè ïðîèçâîäíóþ
2. Óãëîâîé êîîôèöèåíò k = ïðîèçâîäíàÿ â äàííîé òî÷êå x
3. Ïîäñòàâèì X0, f(x0), f ‘ (x0), âûðàçèì õ
Èíòåãðàëû :
ò xn dx = xn+1/(n+1) + c
ò ax dx = ax/ln a + c
ò ex dx = ex + c
ò cos x dx = sin x + cos
ò sin x dx = - cos x + c
ò 1/x dx = ln|x| + c
ò 1/cos² x = tg x + c
ò 1/sin² x = - ctg x + c
ò 1/Ö (1-x² ) dx = arcsin x +c
ò 1/Ö (1-x² ) dx = - arccos x +c
ò 1/1+ x² dx = arctg x + c
ò 1/1+ x² dx = - arcctg x + c