Datrys sin101/a=sin31/3.4

$$\frac { \sin 101 } { a } = \frac { \sin 31 } { 3.4 }$$

Datrys ar gyfer a

$$a = \frac{16687662118610288}{2575190374550271} = 6\frac{1236519871308662}{2575190374550271} \approx 6.480166392$$

Camau ar gyfer Datrys Hafaliad Llinol

Evaluate trigonometric functions in the problem

$$\frac{0.981627183447664}{a} = \frac{0.5150380749100542}{3.4}$$

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.

$$0.981627183447664=a\times \frac{0.5150380749100542}{3.4}$$

Ehangu \frac{0.5150380749100542}{3.4} drwy luosi'r rhifiadur a'r enwadur gyda 10000000000000000.

$$0.981627183447664=a\times \frac{5150380749100542}{34000000000000000}$$

Lleihau'r ffracsiwn \frac{5150380749100542}{34000000000000000} i'r graddau lleiaf posib drwy dynnu a chanslo allan 2.

$$0.981627183447664=a\times \frac{2575190374550271}{17000000000000000}$$

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

$$a\times \frac{2575190374550271}{17000000000000000}=0.981627183447664$$

Lluoswch y ddwy ochr â \frac{17000000000000000}{2575190374550271}, cilyddol \frac{2575190374550271}{17000000000000000}.

$$a=0.981627183447664\times \frac{17000000000000000}{2575190374550271}$$

Troswch y rhif degol 0.981627183447664 i’r ffracsiwn \frac{61351698965479}{10000000000}. Lleihau'r ffracsiwn \frac{61351698965479}{10000000000} i'r graddau lleiaf posib drwy dynnu a chanslo allan 1.

$$a=\frac{61351698965479}{62500000000000}\times \frac{17000000000000000}{2575190374550271}$$

Lluoswch \frac{61351698965479}{62500000000000} â \frac{17000000000000000}{2575190374550271} drwy luosi'r rhifiadur â’r rhifiadur a'r enwadur â’r enwadur.

$$a=\frac{61351698965479\times 17000000000000000}{62500000000000\times 2575190374550271}$$

Gwnewch y gwaith lluosi yn y ffracsiwn \frac{61351698965479\times 17000000000000000}{62500000000000\times 2575190374550271}.

$$a=\frac{1042978882413143000000000000000}{160949398409391937500000000000}$$

Lleihau'r ffracsiwn \frac{1042978882413143000000000000000}{160949398409391937500000000000} i'r graddau lleiaf posib drwy dynnu a chanslo allan 62500000000000.

$$a=\frac{16687662118610288}{2575190374550271}$$