Demontrer que: a) sin ]-00, +05
augsh(x)= ln (x + √x71) 0,75pt
b) Sun [11 +00 [ ang chix) = b (x+√xZ-1) 0175pt
c) Sun 3-1,15 angth 001 =
=
1-x-
(1+x)
0175pt
d) [angshix]]) [ang cha] = √1
Ver
f) [ang th]
0175x3=22585
1-X