1
/
8
2012
骞存垚浜洪珮绛夊鏍′笓鍗囨湰鎷涚敓鍏ㄥ浗缁熶竴鑰冭瘯
楂樼瓑鏁板锛堜簩锛?/p>
涓�銆侀�夋嫨棰橈細姣忓皬棰?/p>
10
鍒嗭紝鍏?/p>
40
鍒嗐�傚湪姣忓皬棰樼殑鍥涗釜閫夐」涓紝鍙湁涓�椤规槸绗﹀悎棰?
鐩姹傘�?/p>
1.
3
lim
飩?/p>
x
cos
(
x鈭?
)
x鈭?
=
锛?/p>
锛?/p>
A. 1
B.
cos
1
C. 0
D.
蟺
绛旀锛?/p>
B
瑙ｈ锛?/p>
3
lim
飩?/p>
x
cos
(
x鈭?
)
x鈭?
=
cos
(
3鈭?
)
3鈭?
=
cos1
2.
璁惧嚱鏁?/p>
y=
x
2
+
1
,
鍒?/p>
dy
dx
=
锛?/p>
锛?/p>
A.
1
3
x
3
B.
x
2
C. 2x
D.
x
2
绛旀
锛?/p>
C
3.
璁惧嚱鏁?/p>
f
(
x
)
=
cos
x
,
鍒?/p>
f
鈥?/p>
(
蟺
2
)
=
锛?/p>
锛?/p>
A.
鈭?
B.
鈭?/p>
1
2
C. 0
D. 1
绛旀锛?/p>
A
瑙ｈ锛?/p>
飥?/p>
飥?/p>
1
2
sin
2
,
sin
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飪?/p>
飪?
飪?
飪?
飪?/p>
飪?/p>
飩?/p>
飥?/p>
飥?/p>
飩?/p>
飦?/p>
飦?/p>
f
x
x
f
4.
涓嬪垪鍖洪棿涓哄嚱鏁?/p>
f
(
x
)
=
sin
x
鐨勫崟璋冨鍖洪棿鐨勬槸锛?/p>
锛?/p>