Kev piav qhia: Txawm hais tias feem ntau cov haujlwm trigonometric yog siv nrog cov duab peb sabmuaj qee qhov xwm txheej thaum lawv tuaj yeem siv rau txhua hom duab peb sab. … Yog tias koj muaj ob sab muab thiab ib lub kaum sab xis ntawm lawv koj tuaj yeem siv txoj haujlwm trigonometric txoj cai lij choj ntawm Cosines los suav rau sab thib peb.
Koj puas tuaj yeem siv SOH CAH TOA ntawm daim duab peb sab uas tsis yog txoj cai?
Rau cov duab peb sab sab xis, peb muaj Pythagoras 'Theorem thiab SOHCAHTOA. Txawm li cas los xij, cov qauv no tsis ua haujlwm rau cov duab peb sab tsis yog txoj cai.
Puas Kev txhaum ua haujlwm rau daim duab peb sab tsis yog?
Txoj Cai ntawm Sines tuaj yeem siv los daws cov duab peb sab oblique, uas yog daim duab peb sab tsis yog. Raws li txoj cai lij choj ntawm Sines, qhov piv ntawm qhov ntsuas ntawm ib lub kaum sab xis rau qhov ntev ntawm nws sab nraud yog sib npaug rau ob qhov sib piv ntawm lub kaum sab xis ntsuas rau sab nraud.
Daim duab peb sab twg siv tau rau trigonometry?
ib daim duab peb sab yog daim duab peb sab uas ib lub kaum sab xis yog kaum sab xis. Kev sib raug zoo ntawm ob sab thiab lub kaum sab xis ntawm daim duab peb sab yog lub hauv paus rau trigonometry.
Puas yog trigonometry tsuas siv tau rau cov duab peb sab xwb?
Trigonometric Ratios tsuas yog siv tau rau ib lub kaum sab xis . Lub kaum sab xis yog daim duab peb sab tshwj xeeb uas ib lub kaum sab xis yog 90 o thiab lwm ob yog tsawg dua 90o. … Tsis tas li ntawd, nws yog opposite lub kaum sab xis ntawm lubdaim duab peb sab. Base: Sab ntawm lub kaum sab xis ntawm daim duab peb sab sawv yog hu ua nws lub hauv paus.
