Enrhifo
\frac{5000000000000000}{9659258262890683}\approx 0.51763809
Rhannu
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\frac{\sin(30)}{0.9659258262890683}
Evaluate trigonometric functions in the problem
\frac{\frac{1}{2}}{0.9659258262890683}
Cael gwerth \sin(30) o’r tabl gwerthoedd trigonometrig.
\frac{1}{2\times 0.9659258262890683}
Mynegwch \frac{\frac{1}{2}}{0.9659258262890683} fel ffracsiwn unigol.
\frac{1}{1.9318516525781366}
Lluosi 2 a 0.9659258262890683 i gael 1.9318516525781366.
\frac{10000000000000000}{19318516525781366}
Ehangu \frac{1}{1.9318516525781366} drwy luosi'r rhifiadur a'r enwadur gyda 10000000000000000.
\frac{5000000000000000}{9659258262890683}
Lleihau'r ffracsiwn \frac{10000000000000000}{19318516525781366} i'r graddau lleiaf posib drwy dynnu a chanslo allan 2.
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
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Hafaliad llinol
y = 3x + 4
Rhifyddeg
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Matrics
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Hafaliad ar y pryd
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Gwahaniaethu
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integreiddiad
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Terfynau
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}