，函數
．
的最小正周期；的單調
減區間；
時，求函數的值域．
··················································· 
2分
································································· 5分
·············································································· 6分
······················································································· 7分的最小正周期
···································································· 8分
得
的單調減區間為
··············································· 10分
的值域為
··············································································· 12分
暑假作業安徽少年兒童出版社系列答案科目：高中數學 來源：不詳 題型：解答題
,sin),∈(
,
).
|=|
|，求角的值；·= -1，求
的值. 查看答案和解析>>
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的值（ ）
中，角
所對的邊分別為
，已知
,
, 且
．\
的大小；
，且
的最小正周期為
，求
上的最大值．
，則
的值為（ ）
中，
，
，
是角
，
，
的對邊，且
[
，求
,則
的值為 （ ）
B 
C 
D 
，則f(
)的值為( )
向左平移
個單位，所得曲線的一部分如圖所示
，則ω+φ= 