Dab tsi yog txoj hauv kev yooj yim tshaj plaws los kawm trigonometry?

Cov txheej txheem:

Kawm Trigonometry hauv 5 kauj ruam

Video: Dab tsi yog txoj hauv kev yooj yim tshaj plaws los kawm trigonometry?

2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36

Kawm Trigonometry hauv 5 kauj ruam

Kauj Ruam 1: Tshawb xyuas koj txhua yam hauv paus.
Kauj Ruam 2: Pib nrog lub kaum sab xis daim duab peb sab.
Piv txwv li: Lub kaum sab xis muaj ob sab 5 cm thiab 3 cm pom lub hypotenuse.
Siv Pythagoras theorem.
Kauj ruam 4: Kawm lub luag haujlwm tseem ceeb ntawm trigonometry .
Kauj Ruam 5: Kev xyaum yog tus yuam sij rau txhua ceg ntawm kev ua lej.

Yog li ntawd, nws nyuaj npaum li cas los kawm trigonometry?

Trigonometry yog nyuaj vim nws txhob txwm ua nyuaj dab tsi yog nyob rau hauv lub siab yooj yim. Peb paub trig yog hais txog txoj cai triangles, thiab txoj cai triangles yog hais txog Pythagorean Theorem. Hais txog lej yooj yim tshaj plaws uas peb tuaj yeem sau tau yog Thaum qhov no yog Pythagorean Theorem, peb tab tom hais txog txoj cai isosceles daim duab peb sab.

Tsis tas li ntawd, kuv yuav cim tau li cas? Nov yog qee qhov ntawm cov khoom siv mnemonic feem ntau:

Nco Palaces.
Spaced Repetition.
Siv Chunking kom nco ntsoov.
Kev nthuav qhia Mnemonics lossis Acronyms.
Nco Ntsoov Tus lej nrog Cov Txheej Txheem Loj.
Siv Lub Npe Lub Npe Kom Nco Txog Yam.
Tau txais kev pw tsaug zog txaus yuav pab koj nco txog tej yam.
Noj Naps yuav txhim kho koj lub cim xeeb.

Tsis tas li ntawd, koj yuav ua li cas nco txog trigonometry?

Cov sine, cosine, thiab tangent ratios nyob rau hauv ib daim duab peb sab yuav tsum nco ntsoov los ntawm sawv cev rau lawv raws li cov hlua ntawm cov tsiaj ntawv, piv txwv li SOH-CAH-TOA nyob rau hauv lus Askiv: Sine = Opposite ÷ Hypotenuse. Cosine = Adjacent ÷ Hypotenuse. Tangent = Rov qab ÷ Adjacent.

Dab tsi yog sin thiab cos hauv lej?

Sine thiab cosine - a.k.a., kev txhaum (θ) thiab cos (θ) - yog cov haujlwm uas qhia cov duab ntawm txoj cai daim duab peb sab. Saib tawm ntawm lub vertex nrog lub kaum sab xis θ, kev txhaum (θ) yog qhov piv ntawm sab nraud rau lub hypotenuse, thaum cos (θ) yog qhov piv ntawm sab uas nyob ib sab mus rau lub hypotenuse.

Pom zoo:

Txoj hauv kev zoo tshaj plaws los kawm txheeb cais yog dab tsi?

Kawm Cov Lus Qhia rau Cov Tub Kawm Ntawv ntawm Kev Tshawb Fawb Kev Tshawb Fawb Siv cov kev faib tawm ntau dua li kev xyaum ua ntau. Kawm hauv triads lossis quads ntawm cov tub ntxhais kawm tsawg kawg ib zaug txhua lub lim tiam. Tsis txhob sim cim cov qauv (Tus kws qhia zoo yuav tsis hais kom koj ua qhov no). Ua haujlwm ntau thiab ntau yam teeb meem thiab kev tawm dag zog raws li koj tuaj yeem ua tau. Nrhiav cov ntsiab lus rov tshwm sim hauv kev txheeb cais

Dab tsi yog txoj hauv kev yooj yim tshaj plaws los cim cov squares zoo meej?

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Daim ntawv yooj yim tshaj plaws ntawm 10 tshaj 12 yog dab tsi?

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