Datrys sin35^circ/a=sin85^circ/44

$$\frac { \sin 35 ^ { \circ } } { a } = \frac { \sin 85 ^ { \circ } } { 44 }$$

Datrys ar gyfer a

$$a = \frac{50474726398892048}{1992389396183491} = 25\frac{664991494304773}{1992389396183491} \approx 25.333765827$$

Camau ar gyfer Datrys Hafaliad Llinol

Evaluate trigonometric functions in the problem

$$\frac{0.573576436351046}{a} = \frac{0.9961946980917455}{44}$$

All y newidyn a ddim fod yn hafal i 0 gan nad ydy rhannu â sero wedi’i ddiffinio. Lluoswch ddwy ochr yr hafaliad wrth 44a, lluoswm cyffredin lleiaf a,44.

$$44\times 0.573576436351046=a\times 0.9961946980917455$$

Lluosi 44 a 0.573576436351046 i gael 25.237363199446024.

$$25.237363199446024=a\times 0.9961946980917455$$

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

$$a\times 0.9961946980917455=25.237363199446024$$

Rhannu’r ddwy ochr â 0.9961946980917455.

$$a=\frac{25.237363199446024}{0.9961946980917455}$$

Ehangu \frac{25.237363199446024}{0.9961946980917455} drwy luosi'r rhifiadur a'r enwadur gyda 10000000000000000.

$$a=\frac{252373631994460240}{9961946980917455}$$

Lleihau'r ffracsiwn \frac{252373631994460240}{9961946980917455} i'r graddau lleiaf posib drwy dynnu a chanslo allan 5.

$$a=\frac{50474726398892048}{1992389396183491}$$