a;0 = 1,
Xa ’
m/n
{y/x)m = x > 0, m, n - liczby naturalne;
„a „b „a-\-b XX — X ,
a, b — liczby rzeczywiste;
= x
a — b.
ab
( ~a\b ab [X ) = X .
l°ga 6 = c ac = b.
4
loga 1 = 0, loga o=l, loga ax = x; logauv = loga u + loga v; loga - = loga U ~ loSa U;
V
loga a;" = n^°gax-
sin2 a + cos2 a = 1;
sin 2a = 2 sin a cos a; cos 2a = cos2 a — sin2 a;
sin(a ± /?) = sin a cos /3 ± cos ot sin /?;
cos(a ± (3)
tg (a ± /?) =
cos a cos (3 ^ sin a sin /?; tga±tg/J
1 T tg atg (3 ’
„ a ± (3 a ^ (3
sin a ± sin p = 2 sm —-— cos —-—.
ot alfa |
f3 beta |
7 gamma |
6 delta |
e epsilon |
£ dżet a |
r] eta |
d theta |
i jota |
k kappa |
A lambda |
p mi |
v ni |
£ ksi |
7i pi |
o omikron |
p ro |
o sigma |
t tau |
v ypsilon |
(p fi |
X chi |
ip psi |
u> omega |