Datrys ar gyfer a
a = \frac{569882490825800620}{8064063186655591} = 70\frac{5398067759909270}{8064063186655591} \approx 70.669397999
Rhannu
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\frac{0.4383711467890774}{a} = \frac{0.24192189559966773}{39}
Evaluate trigonometric functions in the problem
39\times 0.4383711467890774=a\times 0.24192189559966773
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 39a, lluoswm cyffredin lleiaf a,39.
17.0964747247740186=a\times 0.24192189559966773
Lluosi 39 a 0.4383711467890774 i gael 17.0964747247740186.
a\times 0.24192189559966773=17.0964747247740186
Cyfnewidiwch yr ochrau fel bod yr holl dermau newidiol ar yr ochr chwith.
a=\frac{17.0964747247740186}{0.24192189559966773}
Rhannu’r ddwy ochr â 0.24192189559966773.
a=\frac{1709647472477401860}{24192189559966773}
Ehangu \frac{17.0964747247740186}{0.24192189559966773} drwy luosi'r rhifiadur a'r enwadur gyda 100000000000000000.
a=\frac{569882490825800620}{8064063186655591}
Lleihau'r ffracsiwn \frac{1709647472477401860}{24192189559966773} i'r graddau lleiaf posib drwy dynnu a chanslo allan 3.
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