Ctg ³ (= ) m

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