Yuav ua li cas thiaj nrhiav tau cov cosecant?

Cov txheej txheem:

Yuav ua li cas thiaj nrhiav tau cov cosecant?
Yuav ua li cas thiaj nrhiav tau cov cosecant?
Anonim

Cov cosecant ntawm lub kaum sab xis ntawm daim duab peb sab yog kev sib raug zoo by faib qhov ntev ntawm lub hypotenuse los ntawm qhov ntev ntawm sab opposite rau lub muab lub kaum . Qhov no yog qhov sib txuam ntawm sine muaj nuj nqi sine muaj nuj nqi Lub cosine muaj nuj nqi yog cov x ua haujlwm ntawm lub voj voog thiabsine muaj nuj nqi yog y ua haujlwm. Txij li thaum lub voj voog chav tsev muaj lub vojvoog ib qho thiab nyob nruab nrab ntawm lub hauv paus chiv keeb, ob qho tib si sine thiab cosine oscillate ntawm qhov zoo thiab qhov tsis zoo. https://flexbooks.ck12.org › cbook › section › primary › lesson

Lub Tsev Neeg Sinusoidal Function | CK-12 Foundation

Yuav ua li cas koj pom cosecant ntawm lub voj voog?

Lub luag haujlwm cosecant yog qhov sib txuam ntawm sine muaj nuj nqi (cscx=1sinx) ⁡ x=1 sin ⁡. Nws tuaj yeem pom rau lub kaum sab xis t los ntawm kev siv y -coordinate ntawm qhov cuam tshuam ntawm lub voj voog: csct=1y ⁡ t=1 y.

Cscx yog dab tsi?

Lub cosecant yogqhov reciprocal ntawm sine. Nws yog qhov piv ntawm hypotenuse rau sab opposite ib lub kaum sab xis muab rau hauv ib daim duab peb sab.

Puas yog kev txhaum 1 tib yam li CSC?

sin1x=sin1 (x), qee zaum txhais li (sin(x))1=1sin(x)=csc(x) lossis cosecant ntawm x, qhov sib txawv inverse (los yog reciprocal) ntawm trigonometric muaj nuj nqi sine (saib saum toj no rau ambiguity)

Yuav ua li cas koj pom kev txhaum 75 yam tsis muaj lub tshuab xam zauv?

sin(A + B)=sin A cos B +cos A sin B, peb nrhiav tau lub sine ntawm (45° + 30°) muab sine ntawm 75 degrees.

Pom zoo:

Nthuav cov khoom
Lub ntsiab lus ntawm skean yog dab tsi?
Nyeem ntxiv

Lub ntsiab lus ntawm skean yog dab tsi?

skean hauv Askiv Askiv (skiːn) noun. ib yam ntawm ob-edged dagger yav tas los siv hauv Ireland thiab Scotland. Lo lus keeb kwm. los ntawm Irish thiab Scottish Gaelic scian. Skeane yog dab tsi? 1 los yog tsawg dua feem ntau skean lossis skane \ ˈskān \:

Jettons txhais li cas?
Nyeem ntxiv

Jettons txhais li cas?

noun. Ib lub txee lossis token siv los ua kev twv txiaj nti lossis ua haujlwm rau lub tshuab ua haujlwm. 'Hauv Fab Kis tus sculptor Germain Pilon yog thawj tus Contrôleur Général des Effigies, tsim cov duab kos duab rau cov khoom plig zoo li npib thiab jettons.

Vim li cas vanessa tawm ntawm cov snowdens?
Nyeem ntxiv

Vim li cas vanessa tawm ntawm cov snowdens?

Nyob rau lub Plaub Hlis 2021 lig, daim ntawv txiav txim txwv ib ntus uas tus kws txiav txim plaub tau tshaj tawm tawm tsam nws tau ploj vim Christeline "tsis ua raws li nws lub nra ntawm pov thawj," raws li TMZ. … "Tom qab qee qhov kev tshawb nrhiav sab ntsuj plig, kuv tau txiav txim siab koom nrog Snowdens,"