Coterminal Angles yog cov kaum sab xis uas qhia tib yam pib sab thiab sab davhlau ya nyob twg. Nrhiav cov ces kaum coterminal yog li yooj yim li ntxiv lossis rho tawm 360 ° lossis 2π rau txhua lub kaum, nyob ntawm seb lub kaum sab xis muab hauv degrees lossis radians.
Yuav ua li cas koj pom qhov zoo thiab qhov tsis zoo ntawm Coterminal ces kaum?
Yuav kom pom qhov zoo thiab qhov tsis zoo ntawm lub kaum sab xis nrog lub kaum sab xis muab, koj tuaj yeem ntxiv thiab rho tawm 360 ° yog tias lub kaum sab xis ntsuas hauv degrees lossis 2π yog tias lub kaum sab xis ntsuas hauv radians. Piv txwv 1: Nrhiav qhov zoo thiab qhov tsis zoo ntawm lub kaum sab xis nrog lub kaum 55 °. A −305 ° kaum thiab 415 ° lub kaum sab xis yog coterminal nrog 55 ° kaum.
Yuav ua li cas koj thiaj paub yog tias ob lub kaum sab xis yog Coterminal?
Yog ob lub ces kaum yog kos, lawv yog coterminal yog tias ob lub davhlau ya nyob twg nyob rau tib qhov chaw- yog, lawv pw saum ib leeg. Hauv daim duab saum toj no, luag A lossis D kom txog thaum qhov no tshwm sim. Yog tias cov ces kaum zoo ib yam, hais ob qho tib si 60 °, lawv pom tseeb coterminal.
Lub kaum sab xis ntawm 120 yog dab tsi?
Piv txwv li, cov ces kaum ntsuas 120 ° thiab – 240 °yog coterminal.
Lub kaum sab xis ntawm 125 yog dab tsi?
125° and - 235° Coterminal Angles.