Dab tsi yog kev sib txuas lus?
Dab tsi yog kev sib txuas lus?

Video: Dab tsi yog kev sib txuas lus?

Video: Dab tsi yog kev sib txuas lus?
Video: Koj Txoj Kev Sib Txuas Lus: Hais Lus Tsis Taus – California Connect 2024, Kaum ib hlis
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Ib qho kev taw qhia opposite lwm tus yog nws kev sib raug zoo . Ib yam li sab qab teb yog 180 ° los ntawm sab qaum teb, kev sib raug zoo cov lus qhia yog 180 ° sib nrug. Yuav nrhiav tau kev sib raug zoo , ntxiv 180 ° yog tias qhov kev taw qhia thawj zaug tsawg dua 180 °, lossis rho tawm 180 ° yog tias nws ntau dua. Piv txwv li, lub kev sib raug zoo 021 ° yog 201 ° (021 + 180 = 201).

Tsis tas li ntawd nug, dab tsi yog ib qho kev sib koom ua ke?

Lo lus nug yog dab tsi peb hu " kev sib raug zoo " cov chav kawm . Ntawd yog, thaum koj mus ncig ib qho chav kawm los ntawm taw tes "A" mus rau taw tes "B" thiab lwm qhov los ntawm taw tes "B" mus rau taw tes "A" nyob rau hauv raws nraim qhov opposite kev taw qhia raws li koj tus thawj chav kawm.

Tsis tas li ntawd, dab tsi yog lub cim rau reciprocal? Ib yam li ntawd, cov kev sib raug zoo ntawm qhov sib txawv "x" yog "1 / x". Thiab cov kev sib raug zoo ntawm ib yam dab tsi nyuab dua li "x/y" yog "y/x".

Ib yam li ntawd ib tug yuav nug, yog dab tsi yog kev siv ntawm reciprocal?

A kev sib raug zoo , los yog multipplication inverse, tsuas yog ib qho ntawm ib khub ntawm cov lej uas, thaum muab sib npaug ua ke, sib npaug 1. Yog tias koj tuaj yeem txo tus lej mus rau ib feem, nrhiav qhov kev sib raug zoo tsuas yog ib qho teeb meem ntawm transposing tus zauv thiab tus denominator. Cov kev sib raug zoo 7 x 1/7 = 7 x 1/7.

Dab tsi yog qhov sib txuam sib luag?

A bearing txawv ntawm 180 °, los yog ntsuas nyob rau hauv qhov opposite direction ntawm ib tug muab bearing . Kuj hu ua a reciprocal bearing.

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