首页
已知△ABC的面积为3,且满足0≤≤6,设和的夹角为θ.(Ⅰ)求θ的取值范围;(Ⅱ)求函数...
试题详情
已知△ABC的面积为3,且满足0≤
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADMAAAAWCAYAAABtwKSvAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
≤6,设
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABYAAAAWCAYAAADEtGw7AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAEESURBVEhL3VRBDoQgDOy7PPAc7/yEMw/ZKw/x
wFNmgYJArckmsslmTUwU22FmOkJYch1wu8MxYNES3AxyOGz764SjdGHdvcFV2t9jvMaKb3osGK6z
4geAA7yPE49glQQZj7mKW26siPCGYARwbojegGyoGwbYHNfzvfNQgUtzarjW84bjelHxEXD0sD7Z
IAAKl/TNkEXjywQMFGHSiiSteJYlXhuakvanalY1MyYrgq1sBDMuFjaUGn0O0/AkGxokazbkNU5J
t2aMEDMuvg6hCRYkYjSnoSuQdd2KLEkDmdZu0qAmp+aYB9EGxQD9GE0yM3v1aNXToA5v9Ojp818d
Qs/MeAOH2Z9LN9awTAAAAABJRU5ErkJggg==
)
和
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABcAAAAWCAYAAAArdgcFAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAEGSURBVEhL3VRJDsMgDORdOfCc3PkJZz+kVx6S
A09xbZYUG9JILUhVkaJIFhmPZyY2OO0c6HePR4NnpmEz0OFx2x8npKGDc58NfaG/lvk8WVZrrpjO
leVHwAMCxLElwYmEuUDXqJbe9zmPCNag7cBz3RiHLU5wXLOorw81j2ATM8mkAFvAfp6ATjXkAXrw
COiAJCGGLXhu2LPLKlBj+kYfBU4MEjNm0gIV1lrUm59EgAdXtCT2VozJzUYevEc/wavOrz3TmJaa
fQqedG5s4qgJ4zJzcyFLgJHJbCizUglIU+hUlGzLeGYvrqwoK7eaV3Nc17DMcyIiVvRVerIXf7lb
vt/0S2V5AvoEDdfdLABgAAAAAElFTkSuQmCC
)
的夹角为θ.
(Ⅰ)求θ的取值范围;
(Ⅱ)求函数f(θ)=2sin
2![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGIAAAAjCAYAAABvod/HAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAANYSURBVGhD7VlLjsMgDOVcXeQ43XOTrjlItznI
LHIUhl+IsQ0hoalIRaSR2oGAec+fZyr0eLpAQHRhxTBCDyI6cYJBxCCiEwQ6MWNERN9EzFoKoQXz
N6mlE9N/yww2ImYp9WzOuSipHe6L0tOk9KDgOvKLqWmWkydilloMIq5jwaxcIGLRavKR4YiQ7lO3
D5dGuf/1eoA8ETYdiTVFTbcgoleQa+xKiYieb6PBFOuQjhZliAifZ6Vq1q2aE1Nf1ezyJOv9d342
62EdcNEgdFRI4bs97PEMFUh1CiykuoiYHzu+JoW8GyIsjqvaZOsqj4cnolUVmc1zYM7SEBAGXWSR
iVYqB1HQ4NKECOA8X6tvds94vtACoPPm8HBE2MEmr8wS4Y2JaztwGNA/IAZSIsy+0RuRDQ1k7726
zHMi8WFK9+/m8TBE2EGcMva2ROM5IlyYQuAzoABhcHDnOD0hYlkSQKijwfSwRey2NxynjuO8Oja7
BeywgxXwEGd7hNQY3IUD2VvVnae1orh2JnSzNYJEG6pLBByfIdb66LwaOmqSfmxWV17iMw9xAFg/
AC52L0HDxzQXmeuN9f9kz4MRQa9JPDgt1yccEZFQSN5ec0rSp49iIlz2cjkizGcmPkNkiTicHmqJ
CAWUnuEaIqIQAUByjpecl4DF2LYrBEAzDBfHawM8TqcmbDzvIJXF2mT0Vhlbkq8J+A6MQl4nzlKw
Dcv8AEq+P9ot1o3ycU++rs0gkLJp1B0UDO9nSJ9PvljjkE7qBCMrDaAqJvq0mXXSHtWIba6tEVOS
Uu33xCkRNi5dMnhUytcWjwUKJHdxeFC+vt9vB/XrIfTj9ec+5yOCsx1d8xO74DhyUpiWbC0FqPMi
g29iXb0F+24NXSFcvXJo7DWyhccCdTIiXWT4qEiIQOpkr64erokXvMBfccCNjAdIE4utOZy3vSXS
/IpP4yA2Krq54jhJUnpTRiSXAUraH4TaAePsa+7ozaJ/r4cWj9ePEYHQ2qr/NUScdB7ymo2K34oI
pHm33No3EeVi/Sm6r10ne4mfu2Zo6X6vPcq9V6/8NaX/iLg3DcXfrBPpdJFqujt8n7N/RMTnsGxa
qZKIpj3GyxUIDCIqQPrGlEHEN1Cu2GMQUQHSN6b8A2e9RmBlfkFNAAAAAElFTkSuQmCC
)
的最大值与最小值.
相关试题
-
已知△ABC的面积为3,且满足0≤
≤6,设
和
的夹角为θ.
(Ⅰ)求θ的取值范围;
(Ⅱ)求函数f(θ)=2sin2
的最大值与最小值.
-
已知△ABC的面积为3,且满足0≤
≤6,设
和
的夹角为θ.
(Ⅰ)求θ的取值范围;
(Ⅱ)求函数f(θ)=2sin2
的最大值与最小值.
-
已知△ABC的面积为3,且满足0≤
≤6,设
和
的夹角为θ.
(Ⅰ)求θ的取值范围;
(Ⅱ)求函数f(θ)=2sin2
的最大值与最小值.
-
已知△ABC的面积为3,且满足0≤
≤6,设
和
的夹角为θ.
(Ⅰ)求θ的取值范围;
(Ⅱ)求函数f(θ)=2sin2
的最大值与最小值.
-
已知△ABC的面积为3,且满足0≤
≤6,设
和
的夹角为θ.
(Ⅰ)求θ的取值范围;
(Ⅱ)求函数f(θ)=2sin2
的最大值与最小值.
-
已知△ABC的面积为3,且满足0≤
≤6,设
和
的夹角为θ.
(Ⅰ)求θ的取值范围;
(Ⅱ)求函数f(θ)=2sin2
的最大值与最小值.
-
已知△ABC的面积为3,且满足0≤
≤6,设
和
的夹角为θ.
(Ⅰ)求θ的取值范围;
(Ⅱ)求函数f(θ)=2sin2
的最大值与最小值.
-
已知△ABC的面积S满足
,
的夹角为θ.
(Ⅰ)求θ的取值范围;
(Ⅱ)求函数f(θ)=sin2θ+2sinθcosθ+3cos2θ的最大值.
-
已知△ABC的面积S满足
,
的夹角为θ.
(Ⅰ)求θ的取值范围;
(Ⅱ)求函数f(θ)=sin2θ+2sinθcosθ+3cos2θ的最大值.
-
已知△ABC的面积S满足
,
的夹角为θ.
(Ⅰ)求θ的取值范围;
(Ⅱ)求函数f(θ)=sin2θ+2sinθcosθ+3cos2θ的最大值.