Dab tsi yog quadrant 5pi 12 nyob rau hauv?
Dab tsi yog quadrant 5pi 12 nyob rau hauv?

Video: Dab tsi yog quadrant 5pi 12 nyob rau hauv?

Video: Dab tsi yog quadrant 5pi 12 nyob rau hauv?
Video: Yog zoo ces lawv yuav lawm 11/13/2018 2024, Kaum ib hlis
Anonim

Lub kaum sab xis yog nyob rau hauv thawj quadrant.

Ntawm no, ua li cas koj thiaj paub tias lub quadrant ib Radian nyob rau hauv?

1st quadrant : 0 rau π2 = 1.57 radians ; 2nd quadrant : 1.57 txog π = 3.14 radians :3rd ib quadrant : los ntawm 3.14 txog 32π = 4.71 radians :4:ua quadrant 4.71-2π = 6.28 radians.

Kuj Paub, tus nqi pes tsawg ntawm 5pi 12 yog dab tsi? Cov tus nqi tseeb sin(π6) sin(π 6) yog 12. Cov tus nqi tseeb cos(π4) cos(π4) yog √22. Cov tus nqi tseeb cos(π6) cos(π 6) yog √32. Cov tus nqi tseeb sin(π4) sin(π4) yog √22.

Tom qab ntawd, ib tug kuj yuav nug, dab tsi degree yog 5pi 12?

ar=αd⋅π180°. Hauv peb qhov xwm txheej: ad=5 12 π⋅180° π = 75°.

Piav li cas?

Txhais: Pi yog tus lej - kwv yees li 3.142. Nws yog ib ncig ntawm txhua lub voj voog muab faib los ntawm nws txoj kab uas hla. Tus lej Pi , txhais los ntawm Greek tsab ntawv π - pronounced 'pie', yog ib tug ntawm cov feem ntau tas mus li nyob rau hauv tag nrho cov ntawm kev ua lej. Nws yog ib ncig ntawm txhua lub voj voog, muab faib los ntawm nws txoj kab uas hla.

Pom zoo: