首页
试卷库
试题库
当前位置:
X题卡
>
所有题目
>
题目详情
如图,在Rt△ABC中,∠C=90°,BC=12,tanA=,则sinB= .
查看本题答案
包含此试题的试卷
教案备课库《八年级数学锐角三角函数2》真题及答案
点击查看
你可能感兴趣的试题
在Rt△ABC中若∠C.=90°tanA·tan20°=1则∠A.=.
已知Rt△ABC中∠C=90°tanA=BC=8则AC等于
6
10
12
在Rt△ABC中∠C=90°tanA=BC=8则△ABC的面积为
12
18
24
48
如图已知Rt△ABC中∠C.=90°AC=4tanA=则BC的长是
2
8
2
4
在Rt△ABC中∠C.=90°AC=2求tanA及BC的值.
在Rt△ABC中∠C.=90°a=3c=5求sinA.和tanA.的值.
已知Rt△ABC中∠C=90°tanA=BC=12求ACAB和cosB.
在Rt△ABC中∠C=90°AC=5BC=4则tanA=.
在Rt△ABC中∠C.=90°AC=2求tanA及BC的值.
在Rt△ABC中∠C=90°AB=13BC=5求sinAcosAtanA.
在Rt△ABC中.∠C=90°tanA=AB=10则BC的长为
5
6
7
8
在Rt△ABC中∠C.=90°tanA.=BC=8则△ABC的面积为________________
如图在△ABC中∠C=90°AC=2BC=1则tanA的值是.
在Rt△ABC中∠C=90°tanA=AC=6则BC的长为
9
4
18
12
在Rt△ABC中∠C.=90°AC=2求tanA及BC的值.
如图在△ABC中∠C.=90°AC=2BC=1则tanA的值是
已知Rt△ABC中∠C.=90°tanA=BC=8则AC等于
6
10
12
已知Rt△ABC中∠C.=90°tanA=BC=8则AC等于
6
10
12
如图已知在Rt△ABC中∠C.=90°AC=4tanA=则BC的长是
2
8
2
4
已知Rt△ABC中∠C.=90°tanA=BC=8则AC等于
6
10
12
热门试题
更多
JimandTimaretalkingthephone. A.at B.on C.with D.in
Thereiswateronthefloor. A.toomany B.toomuch C.muchtooD.manytoo
如图已知正方体ABCD-A1B1C1D1的棱长为1点P是面AA1D1D的中心点Q是面A1B1C1D1的对角线B1D1上一点且PQ∥平面AA1B1B则线段PQ的长为.
Sheschooleveryday. A.walk B.walks C.onfoot D.walksto
WhattimeLilybrushherteeth? A.does B.doesn't C.is D.do
Wemustourteachersinclass. A.hear B.hearfrom C.listento D.listen
Everyonehavingagoodtime. A.am B.is C.are D.be
Lastweekfivestudentstookpartyinthesportsmeetinginourschool. A.hundred B.hundreds C.hundredsofD.hundredof
—HowdoeshegotoHongKong?—.A.Taketheplane B.Takeplane C.Bytheplane D.Bytheair
Manypeoplefindlisteningtosomegoodmusichelpswhentheyareunhappy. A.us B.you C.them D.it
WecanwatchBeijingOperaTV. A.in B.at C.on D.from
如图α∩β=CDα∩γ=EFβ∩γ=ABAB∥α求证CD∥EF.
—youhavetogethomeat5:30? —YesIdo A.Must B.Can C.Do D.Does
若平面α∥平面β直线aα给出下列四个命题①a与β内的任何一条直线平行②a与β内的无数条直线平行③a与β无公共点其中正确的命题个数是
—Whataretheschoolrules? —Wearrivelateforclass. A.don't B.can't C.aren't D.are
It'stimeforsuppernow.Let's.A.stophaving B.stoptohaveC.tostoptohave D.stopping
如图正三棱柱ABC-A1B1C1AB=2AA1=3F为棱AC上靠近A的三等分点点E在棱BB1上且BF∥平面A1CE.Ⅰ求BE的长Ⅱ求正三棱柱ABC-A1B1C1被平面A1CE分成的左右两个几何体的体积之比.
—doyougotoamovie? A.Howlong B.Howfar C.Howsoon D.Howoften
如图在四棱锥P-ABCD中MN分别为ACPC上的点且MN∥平面PAD则下列结论正确的是.①MN∥PD ②MN∥PA ③MN∥AD
It'smygrandma'sbirthdaytoday. A.ninety B.theninetieth C.ninetieth D.theninety
Theyusuallyeatdinneraquartersevenintheevening. A.at;to B.at;for C.on;to D.on;for
Mymotherisaworkerandmyfatherisaworker. A.too B.either C.also D.or
—WhatisKatedoing? —. A.Sheisintheroom B.Yessheis C.Sheisreadingabook D.Shelikessinging
Iwithmysistertothepark.A.isgoing B.aregoing C.amgoing D.begoing
IoftentakeabustoschoolbutIgotoschoolbybike. A.sometime B.sometime C.sometimes D.sometimes
somebreadonthetable.A.Thereare B.Therehas C.Thereis D.Therehave
—Jackisthereintoday'snewspaper.—No.Nothing.A.anythingimportant B.somethingimportantC.importantanything D.Importantsomething
Youcan'teatoutside.A.\ B.at C.in D.on
OurEnglishteacherwantsusEnglishstoriesoutofclass. A.read B.reading C.toread D.reads
—Thereareallthingsinthesupermarket.Butit'sfarfromhere. —Thenlet'sgotherebytaxi. A.kindof;kindof B.kindof;kindsof C.kindsof;kindsof D.kindsof;kindof
热门题库
更多
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
高一下学期数学
教案备课库
高一上学期数学
高一上学期化学
教案备课库
教案备课库
教案备课库
高一上学期物理