Datrys a/sin35^circ=10/sin40^circ

$$\frac { a } { \sin 35 ^ { \circ } } = \frac { 10 } { \sin 40 ^ { \circ } }$$

Datrys ar gyfer a

$$a = \frac{57357643635104600}{6427876096865393} = 8\frac{5934634860181456}{6427876096865393} \approx 8.923265286$$

Camau ar gyfer Datrys Hafaliad Llinol

Evaluate trigonometric functions in the problem

$$\frac{a}{0.573576436351046} = \frac{10}{0.6427876096865393}$$

Ehangu \frac{10}{0.6427876096865393} drwy luosi'r rhifiadur a'r enwadur gyda 10000000000000000.

$$\frac{a}{0.573576436351046}=\frac{100000000000000000}{6427876096865393}$$

Lluosi’r ddwy ochr â 0.573576436351046.

$$a=\frac{100000000000000000}{6427876096865393}\times 0.573576436351046$$

Troswch y rhif degol 0.573576436351046 i’r ffracsiwn \frac{286788218175523}{10000000000}. Lleihau'r ffracsiwn \frac{286788218175523}{10000000000} i'r graddau lleiaf posib drwy dynnu a chanslo allan 1.

$$a=\frac{100000000000000000}{6427876096865393}\times \frac{286788218175523}{500000000000000}$$

Lluoswch \frac{100000000000000000}{6427876096865393} â \frac{286788218175523}{500000000000000} drwy luosi'r rhifiadur â’r rhifiadur a'r enwadur â’r enwadur.

$$a=\frac{100000000000000000\times 286788218175523}{6427876096865393\times 500000000000000}$$

Gwnewch y gwaith lluosi yn y ffracsiwn \frac{100000000000000000\times 286788218175523}{6427876096865393\times 500000000000000}.

$$a=\frac{28678821817552300000000000000000}{3213938048432696500000000000000}$$

Lleihau'r ffracsiwn \frac{28678821817552300000000000000000}{3213938048432696500000000000000} i'r graddau lleiaf posib drwy dynnu a chanslo allan 500000000000000.

$$a=\frac{57357643635104600}{6427876096865393}$$