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6.1. y =
3
2
1683
−+ xx
x
1
= 4, x
2
= 3,94
6.2.
y =
3
2
145
−+ xx
x
1
= 5, x
2
= 5,08
6.3. y =
5
2
82
+− xx
x
1
= 6, x
2
= 5,84
6.4. y =
4
3
76
−+ xx
x
1
= 4, x
2
= 4,06
6.5.
y =
3
2
1322
++
xx
x
1
= 8, x
2
= 7,85
6.6. y =
253
2
−− xx
x
1
= 9, x
2
= 9,08
6.7.
y =
7
2
+
x
x
1
= 3, x
2
= 3,02
6.8. y =
3
2
52
++
xx
x
1
= 1, x
2
= 0,97
6.9. y =
3
2
++
xx
x
1
= 2, x
2
= 1,97
6.10. y =
14
−
x
x
1
= 2,5, x
2
= 2,56
 çàäà÷àõ 6.11.—6.20. íàéòè ïðèáëèæåííûå çíà÷å èÿ óêà-
çàííûõ âåëè÷èí ñ ïîìîùüþ äèôôåðåíöèàëîâ ñîîòâåòñòâóþùèõ
ôóíêöèé.
6.11.
cos °63
6.12.
tg °46
6.13.
sin
°32 6.14.
ctg
°43
6.15.
sin
°27 6.16.
cos
°59
6.17.
sin
°29
6.18.
sin
°59
6.19.
cos
°32
6.20.
tg
°
44
6.1. y = 3
3 x2 + 8 x − 16 x1 = 4, x2 = 3,94
6.2. y = 3
5 x2 + 4 x − 1 x1 = 5, x2 = 5,08
6.3. y = 5
x2 − 2 x + 8 x1 = 6, x2 = 5,84
6.4. y = 4
x3 + 6 x − 7 x1 = 4, x2 = 4,06
6.5. y = 3
2 x2 + 2 x + 13 x1 = 8, x2 = 7,85
6.6. y = 3x2 − 5 x − 2 x1 = 9, x2 = 9,08
6.7. y = x2 + 7 x1 = 3, x2 = 3,02
6.8. y = 3
x2 + 2x + 5 x1 = 1, x2 = 0,97
6.9. y = x2 + x + 3 x1 = 2, x2 = 1,97
6.10. y = 4x − 1 x1 = 2,5, x2 = 2,56
 çàäà÷àõ 6.11.—6.20. íàéòè ïðèáëèæåííûå çíà÷å èÿ óêà-
çàííûõ âåëè÷èí ñ ïîìîùüþ äèôôåðåíöèàëîâ ñîîòâåòñòâóþùèõ
ôóíêöèé.
6.11. cos 63° 6.12. tg 46°
6.13. sin 32° 6.14. ctg 43°
6.15. sin 27° 6.16. cos 59°
6.17. sin 29° 6.18. sin 59°
6.19. cos 32° 6.20. tg 44°
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