首页
试卷库
试题库
当前位置:
X题卡
>
所有题目
>
题目详情
先化简,再求值:﹣÷,其中a为sin30°的值.
查看本题答案
包含此试题的试卷
教案备课库《》真题及答案
点击查看
你可能感兴趣的试题
先化简再求值其中x=2sin30°﹣1.
先化简再求值1﹣÷其中a=sin60°.
先化简再求值其中a=1+2cos45°b=1-2sin45°
先化简再求值其中x=2sin45°﹣4sin30°.
先化简再求值.其中2sin30°≤a≤3cos30°且a为整数.
先化简再求值.其中x=sin60°.
先化简再求值.其中2sin30°≤a≤3cos30°且a为整数.
先化简再求值:其中sin30°.
先化简再求值a-÷其中a=sin30°b=tan45°.
先化简再求值其中x=2sin45°﹣4sin30°.
先化简再求值其中a=2sin60°-tan45°.
先化简再求值1﹣÷其中a=sin30°.
先化简再求值其中x=-3
先化简再求值其中a=sin60°b=tan60°.
化简求值先化简再求值其中a=-2
先化简再求值÷其中x=2sin30°+2cos45°.
先化简再求代数式的值.其中tan45°>a>sin30°请你取一个合适的数作为a的值代入求值.
先化简再求值其中x=sin60°﹣1
先化简再求代数式的值.﹣÷其中tan60°>a>sin30°请你取一个合适的数作为a的值代入求值.
先化简再求值÷1﹣其中x=2sin45°+1.
热门试题
更多
﹣SimonIcalledyouatabout700p.m.yesterdaybutyoudidn'tanswerit. ﹣Sorry.Iwithmycousininthesupermarketanditwasreallynoisy. A.amshopping B.wasshopping C.shopped D.willshop
Iknowtheboysince2011.
﹣ManypeoplelikeusingWeChatnow. ﹣Yes.WeChatmakeseasierforfriendstocontactwith联系eachother. A.it B.that C.this D.them
Igotoschoolbybussometimes.同义句 Igotoschoolbybus.
Thelittlegirlwilltraveltolearnmoreaboutart.在国外
Weshoulddowhatwecanthehuntersfromtheanimals. A.toprevent;killing B.toprevent;tokill C.prevent;killing D.prevent;tokill
HehasgonetoShanghaionbusy.
Mostmiddleschoolstudentshavenocommunicatewiththeirparents.
LastyearourcountrylotsoffoodthatAfrican非洲的countrytohelpthepoorpeoplethere. A.gave;for B.provided;with C.provided;for D.offered;for
﹣Smokingbringsmealotofideas. ﹣Stopthat!Afterallismoreimportantthanhealth. A.nothing B.something C.anything D.everything
﹣I'lltryhardernexttime. ﹣Youhavesaiditonehundredtimes.But. A.theearlybirdcatchestheworm. B.afriendinneedisafriendindeed. C.youcan'tburnthecandleatbothends D.actionsspeaklouderthanwords
﹣itis! ﹣Yes.Itisalmostpouring. A.Whatheavyrain B.Howaheavyrain C.Whatheavyrainy D.Howheavyrainy
hiswayouthetriedtomovethroughthedark. A.Tofind B.Find C.Finding D.Finds
ThesentencestructureofIsawsomekidskickingtheball.is. A.S+V+IO+DO B.S+V+DO+OC C.S+V D.S+V+O
请将下列句子译成英语. 慈善演出是上周三由学生会举办的吗?
SuzywasmakingasnowmanKittywasstandingbesideher. A.when B.while C.until D.before
Theworkershavecarriedthegoodstotheairport.改为一般疑问句 theworkersthegoodstotheairport?
Thefoodisverydelicious!Ican't描述howmuchIlikeit.
﹣Doyoulikehisanswer? ﹣Notatall.Itcouldn'thavebeen. A.better B.worse C.more D.less
Manypeoplehavemovedoutofthetownbecauseoftheseriouswater.pollute
Thisprogrammebegananhourago.同义句 Thisprogrammeanhour.
Therearevisitorstothewetlandparkandthenumberisbecomingnow. A.thousandof;largerandlarger B.thousandsof;moreandmore C.thousandsof;largerandlarger D.thousandof;moreandmore
Itis不礼貌的ofyoutocutinonothers.
﹣HereisinternationalcallforyouLily. ﹣Thankyou.callisfrommyaunt. A.a;The B.the;The C.an;A D.an;The
Haveyouever写alettertoyourparents?
﹣Maryit'sreallynicetoseeyouagain.Wherehaveyou? ﹣Iaschoolinamountainareafortwoyears. A.gone;havebeento B.been;havebeento C.gone;havebeenin D.been;havebeenin
请将下列句子译成英语. 为什么不通过回收废物来保护环境呢?
﹣Ican'tfindthemagazineIboughtthismorning. ﹣WellJackisreadingoverthere.Whynotgoandseeifitisyours? A.it B.that C.one D.some
WhenIwalkedthesouthsideofthesquareIhappenedtomeetourEnglishteacher. A.across B.around C.through D.along
Shefoundwronghertopickflowersinthepark. A.itis;of B.that;for C.it;of D.this;for
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
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