Yuav siv txoj cai cosine li cas?

Cov txheej txheem:

Yuav siv txoj cai cosine li cas?
Yuav siv txoj cai cosine li cas?
Anonim

Txoj cai cosine yog siv thaum peb muab ob qho a) peb sab lossis b) ob sab thiab lub kaum sab xis

  1. Txoj cai sine. Kawm txog daim duab peb sab ABC hauv qab no. Cia B sawv rau lub kaum sab xis ntawm B. Cia C sawv ntsug rau lub kaum sab xis ntawm C thiab lwm yam. …
  2. Txoj cai cosine. Xa mus rau daim duab peb sab hauv qab no. b=AC. c=AB.

30 60 90 daim duab peb sab yog dab tsi?

Kev piav qhia: Ina 30-60-90 txoj cai daim duab peb sab ntawm sab shortest uas yog opposite 30 degree lub kaum sab xis yog ib nrab ntawm lub hypotenuse.

txoj cai cosine siv rau dab tsi?

Kev daws ib daim duab peb sab yog nrhiav qhov ntev ntawm txhua sab thiab tag nrho nws cov ces kaum. Txoj cai sine yog siv thaum peb muab ob qho a) ob lub kaum sab xis thiab ib sab, lossis b) ob sab thiab lub kaum sab xis tsis suav nrog. Txoj cai cosine yog siv thaum peb muab ib) peb sab lossis b) ob sab thiab lub kaum sab xis suav.

Txoj cai cosine puas siv tau rau ntawm ib daim duab peb sab?

Txoj Cai Cosine tuaj yeem siv tau hauv txhua daim duab peb sab uas koj tab tom sim txheeb tag nrho peb sab rau ib lub kaum. Yog tias koj xav pom qhov ntev ntawm ib sab, koj yuav tsum paub ob sab thiab lub kaum sab xis.

Tus qauv ntawm cosine yog dab tsi?

Tom qab ntawd tus qauv cosine yog, cos x=(sab nyob ib sab) / (hypotenuse), qhov "sab nyob ib sab" yog sab nyob ib sab ntawm lub kaum x, thiab "hypotenuse "yog qhov ntev tshaj plaws (sab tawm tsam rau lub kaum sab xis) ntawm daim duab peb sab.…

Pom zoo:

Nthuav cov khoom
Qhov kev cia siab tuaj ntawm qhov twg?
Nyeem ntxiv

Qhov kev cia siab tuaj ntawm qhov twg?

Portentous thawj zaug pib hauv 1540s thiab tau muab los ntawm Latin lo lus portentosus. Lub hauv paus ntawm lo lus yog portent, uas yog ib tug synonym rau ib tug kos npe rau los yog ib tug omen. Thaum nws tau tsim thawj zaug, qhov tseem ceeb yog siv los siv rau omens.

Mannequin txhais li cas?
Nyeem ntxiv

Mannequin txhais li cas?

Mannequin hais txog cov menyuam roj hmab uas feem ntau siv los ntawm cov kws ua yeeb yam, cov kws tu plaub hau, cov kws tsim khaub ncaws, cov khaub ncaws qhov rai thiab lwm yam tshwj xeeb tshaj yog los tso saib lossis hnav khaub ncaws. Yav dhau los, lo lus Askiv raug xa mus rau tib neeg cov qauv thiab muses;

Sharn poob ntau npaum li cas?
Nyeem ntxiv

Sharn poob ntau npaum li cas?

TikTok Lub Hnub Qub Shane Whalley Poob 100 Lbs. thiab Tshawb nrhiav 'Kev Hlub Tus Kheej Kuv Xav Tau' Puas Shane nce phaus? Tom qab tshaj tawm cov yeeb yaj kiab tom qab ob lub lis piam hiatus, nws tau txais ntau cov lus tsis zoo txog nws qhov hnyav.