Datrys sin26/a=sin14/3,9

$$\frac { \sin 26 } { a } = \frac { \sin 14 } { 3,9 }$$

Datrys ar gyfer a

$$a = \frac{56988249082580062}{8064063186655591} = 7\frac{539806775990927}{8064063186655591} \approx 7.0669398$$

Camau ar gyfer Datrys Hafaliad Llinol

Evaluate trigonometric functions in the problem

$$\frac{0.4383711467890774}{a} = \frac{0.24192189559966773}{3.9}$$

All y newidyn a ddim fod yn hafal i 0 gan nad ydy rhannu â sero wedi’i ddiffinio. Lluoswch ddwy ochr yr hafaliad â a.

$$0.4383711467890774=a\times \frac{0.24192189559966773}{3.9}$$

Ehangu \frac{0.24192189559966773}{3.9} drwy luosi'r rhifiadur a'r enwadur gyda 100000000000000000.

$$0.4383711467890774=a\times \frac{24192189559966773}{390000000000000000}$$

Lleihau'r ffracsiwn \frac{24192189559966773}{390000000000000000} i'r graddau lleiaf posib drwy dynnu a chanslo allan 3.

$$0.4383711467890774=a\times \frac{8064063186655591}{130000000000000000}$$

Cyfnewidiwch yr ochrau fel bod yr holl dermau newidiol ar yr ochr chwith.

$$a\times \frac{8064063186655591}{130000000000000000}=0.4383711467890774$$

Lluoswch y ddwy ochr â \frac{130000000000000000}{8064063186655591}, cilyddol \frac{8064063186655591}{130000000000000000}.

$$a=0.4383711467890774\times \frac{130000000000000000}{8064063186655591}$$

Troswch y rhif degol 0.4383711467890774 i’r ffracsiwn \frac{2191855733945387}{10000000000}. Lleihau'r ffracsiwn \frac{2191855733945387}{10000000000} i'r graddau lleiaf posib drwy dynnu a chanslo allan 1.

$$a=\frac{2191855733945387}{5000000000000000}\times \frac{130000000000000000}{8064063186655591}$$

Lluoswch \frac{2191855733945387}{5000000000000000} â \frac{130000000000000000}{8064063186655591} drwy luosi'r rhifiadur â’r rhifiadur a'r enwadur â’r enwadur.

$$a=\frac{2191855733945387\times 130000000000000000}{5000000000000000\times 8064063186655591}$$

Gwnewch y gwaith lluosi yn y ffracsiwn \frac{2191855733945387\times 130000000000000000}{5000000000000000\times 8064063186655591}.

$$a=\frac{284941245412900310000000000000000}{40320315933277955000000000000000}$$

Lleihau'r ffracsiwn \frac{284941245412900310000000000000000}{40320315933277955000000000000000} i'r graddau lleiaf posib drwy dynnu a chanslo allan 5000000000000000.

$$a=\frac{56988249082580062}{8064063186655591}$$