Математика. Часть 3. Медведев А.В - 15 стр.

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77.
x
x
y
21
21
ln
+
=
78.
2
2
1
1
ln
x
x
y
+
=
79.
2
)(arccos1 xy =
80.
)5(ln
2
++= xxy
81.
1
2
tg +=
x
y
82.
2
1sin xy +=
83.
xy sinarcsin=
84.
)(arcsin
4 x
ey =
85.
2
2
arccos
x
ey
=
86.
)35(lnarctg
+
=
xy
87.
)1(arctg
2
xxy += 88.
2
1arctgln xy +=
89.
xy cossintg=
90.
x
ey
2arcsin
=
91.
x
ey
ln
=
92.
x
y
3
sin
3=
93.
x
y
2cos3
3
10
=
94. )2(sin
cos x
y =
95.
)(cos
23
2
+
=
xx
ey
96.
1
ln
2
2
+
=
x
x
e
e
y
97.
3
4
1 x
ey
=
98.
4
tgcoslg
x
ey
=
99.
1
1
ln
2
+
=
xx
y
100.
x
e
y
2
arctg
1
=
101.
5
2
1
cosln
=
x
y
102.
22
1arcsin xxy +=
103.
xxy 2sin12sin1 += 104.
44
cossin xxy +=
105.
xx
y
3sin
1
3cos
1
22
+=
106.
)(lnarccos xxy
=
107.
22
1arcsin xxy =
108.
x
xey
sin
cos=
109.
xxy 2cos)(lg=
110.
xxy += 1
2
111.
x
exy
tg1
=
112.
32
1
arcsin)32(
4
+
+=
x
xy
113.
)22(2
3
3
2
+= xxey
x
114.
xxy 7arctg149
2
+=