2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Nrhiav cov cotangent Peb paub tias cov cotangent yog qhov sib cuam tshuam ntawm tangent. Txij li thaum tangent yog qhov piv ntawm qhov sib txawv rau qhov nyob ib sab, cotangent yog qhov piv ntawm qhov nyob ib sab mus rau qhov opposite.
Yuav ua li cas yog nyob ib sab ntawm opposite?
Nyob rau hauv ib daim duab peb sab, lub hypotenuse yog sab ntev tshaj plaws, ib sab "tawm tsam" yog ib qho hla ntawm ib lub kaum sab xis, thiab sab "nyob ib sab" yog tom ntej mus rau lub kaum sab xis muab. … Lub hypotenuse ntawm ib daim duab peb sab yog ib txwm yog sab opposite lub kaum sab xis.
Yuav ua li cas yog cot Theta?
Kev ua haujlwm cosine sib txuas yog secant: sec(theta)=1/cos(theta). Kev ua haujlwm sib luag yog cosecant, csc(theta)=1/sin(theta). Lub luag haujlwm tangent yog cotangent, qhia ob txoj hauv kev: cot(theta)=1/tan(theta) los yog cot(theta)=cos(theta)/sin(theta). … Cosecant theta yog 1 tshaj y thiab cotangent yog x tshaj y.
cotangent sib npaug li cas?
Cov cotangent ntawm x txhais tau tias yog tus cosine ntawm x faib los ntawm sine ntawm x: cot x=cos x sin x. Lub secant ntawm x yog 1 muab faib los ntawm cov cosine ntawm x: sec x=1 cos x, thiab cov cosecant ntawm x txhais tau tias yog 1 faib los ntawm cov sine ntawm x: csc x=1 sin x.
Yuav ua li cas koj pom lub cotangent ntawm lub kaum sab xis?
Lub cotangent ntawm ib lub kaum sab xis nyob rau hauv daim duab peb sab yog kev sib raug zoo los ntawm kev faib qhov ntev ntawm sab uas nyob ib sab ntawm lub kaum sab xis muab los ntawm qhov ntev ntawm sab opposite rau qhov muabangle. Qhov no yog qhov sib txuam ntawm tangent muaj nuj nqi.
Pom zoo:
Puas yog qhov txawv ntawm pawg sab laj thiab tus kws sab laj?
Thaum cov lus ntuas, pawg sab laj, thiab tus kws saib xyuas suab zoo ib yam, lawv yog cov lus sib txawv nrog lub ntsiab lus sib txawv. Cov lus ntuas tuaj yeem siv los ua ib qho kev qhia lossis lub npe, whereas council thiab consul yog cov npe.
Dab tsi yog qhov opposite ntawm cov lus tom qab?
Prefix yog ib pawg ntawm cov ntawv uas tuaj ntawm qhov hais txog cov lus hauv paus. Ntawm qhov tod tes, suffix yog ib pawg ntawm cov tsiaj ntawv uas tau ntxiv tom kawg ntawm cov lus hauv paus. Dab tsi yog qhov rov qab ntawm cov lus tom qab?
Ntawm sab qab teb sab hnub tuaj sab hnub poob qhov twg?
North, sab qab teb, sab hnub tuaj, thiab sab hnub poob yog hu ua cardinal cov lus qhia. Cov lus qhia cardinal no tuaj yeem sau luv ua N, S, E, thiab W. Cardinal cov ntsiab lus: sab qaum teb, sab qab teb, sab hnub tuaj, thiab sab hnub poob. … Yog li ntawd, qhov chaw ntawm lub hnub thaum sawv ntxov yog mus rau sab hnub tuaj.
Dab tsi yog qhov txawv ntawm tub sab thiab tub sab qhov tseem ceeb?
Puas muaj qhov sib txawv ntawm Thieves tseem ceeb roj sib xyaw thiab Thieves Vitality? A. … Tub sab cov roj tseem ceeb yog sau rau tshuaj pleev thiab tshuaj tsw qab, thiab tub sab Vitality yog sau rau kev noj haus. Qhov kev xaiv ntawm ob yam khoom tso cai rau koj los qhia txhua txoj hauv kev siv tub sab hauv txoj kev raug.
Qhov twg yog sab qab teb sab hnub tuaj lossis sab qab teb sab hnub tuaj?
Yog kuv tsis yuam kev, "sab qab teb-sab hnub tuaj" yog li nws sau ua lus Askiv, whereas "southeast" yog daim ntawv hauv American English. Puas yog sab qab teb ib lo lus lossis ob? (abbreviation S.E.) kev taw qhia ntawm sab qab teb thiab sab hnub tuaj, los yog ib feem ntawm ib cheeb tsam los yog lub teb chaws nyob rau hauv qhov kev taw qhia:
