Datrys sin(30)cos(45)+left(sin(60)right)^2+left(cos(60)right)^2

$$\sin ( 30 ) \cos ( 45 ) + { \left( \sin ( 60 ) \right) }^{ 2 } + { \left( \cos ( 60 ) \right) }^{ 2 }$$

Enrhifo

$$\frac{\sqrt{2}}{4}+1\approx 1.353553391$$

Camau Ateb Byr

Cael gwerth \sin(30) o’r tabl gwerthoedd trigonometrig.

$$\frac{1}{2}\cos(45)+\left(\sin(60)\right)^{2}+\left(\cos(60)\right)^{2}$$

Cael gwerth \cos(45) o’r tabl gwerthoedd trigonometrig.

$$\frac{1}{2}\times \frac{\sqrt{2}}{2}+\left(\sin(60)\right)^{2}+\left(\cos(60)\right)^{2}$$

Lluoswch \frac{1}{2} â \frac{\sqrt{2}}{2} drwy luosi'r rhifiadur â’r rhifiadur a'r enwadur â’r enwadur.

$$\frac{\sqrt{2}}{2\times 2}+\left(\sin(60)\right)^{2}+\left(\cos(60)\right)^{2}$$

Cael gwerth \sin(60) o’r tabl gwerthoedd trigonometrig.

$$\frac{\sqrt{2}}{2\times 2}+\left(\frac{\sqrt{3}}{2}\right)^{2}+\left(\cos(60)\right)^{2}$$

I godi \frac{\sqrt{3}}{2} i bŵer, codwch y rhifiadur a'r enwadur i bŵer ac yna rhannwch nhw.

$$\frac{\sqrt{2}}{2\times 2}+\frac{\left(\sqrt{3}\right)^{2}}{2^{2}}+\left(\cos(60)\right)^{2}$$

Cael gwerth \cos(60) o’r tabl gwerthoedd trigonometrig.

$$\frac{\sqrt{2}}{2\times 2}+\frac{\left(\sqrt{3}\right)^{2}}{2^{2}}+\left(\frac{1}{2}\right)^{2}$$

Cyfrifo \frac{1}{2} i bŵer 2 a chael \frac{1}{4}.

$$\frac{\sqrt{2}}{2\times 2}+\frac{\left(\sqrt{3}\right)^{2}}{2^{2}}+\frac{1}{4}$$

I ychwanegu neu dynnu mynegiannau, rhaid i chi eu ehangu i wneud eu enwaduron yr un fath. Ehangu 2\times 2.

$$\frac{\sqrt{2}}{4}+\frac{\left(\sqrt{3}\right)^{2}}{4}+\frac{1}{4}$$

Gan fod gan \frac{\sqrt{2}}{4} a \frac{\left(\sqrt{3}\right)^{2}}{4} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.

$$\frac{\sqrt{2}+\left(\sqrt{3}\right)^{2}}{4}+\frac{1}{4}$$

I ychwanegu neu dynnu mynegiannau, rhaid i chi eu ehangu i wneud eu enwaduron yr un fath. Ehangu 2\times 2.

$$\frac{\sqrt{2}}{4}+\frac{\left(\sqrt{3}\right)^{2}}{2^{2}}+\frac{1}{4}$$

Gan fod gan \frac{\sqrt{2}}{4} a \frac{1}{4} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.

$$\frac{\sqrt{2}+1}{4}+\frac{\left(\sqrt{3}\right)^{2}}{2^{2}}$$

I ychwanegu neu dynnu mynegiannau, rhaid i chi eu ehangu i wneud eu enwaduron yr un fath. Ehangu 2^{2}.

$$\frac{\sqrt{2}+1}{4}+\frac{\left(\sqrt{3}\right)^{2}}{4}$$

Gan fod gan \frac{\sqrt{2}+1}{4} a \frac{\left(\sqrt{3}\right)^{2}}{4} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.

$$\frac{\sqrt{2}+1+\left(\sqrt{3}\right)^{2}}{4}$$

Sgwâr \sqrt{3} yw 3.

$$\frac{\sqrt{2}+1}{4}+\frac{3}{2^{2}}$$

Cyfrifo 2 i bŵer 2 a chael 4.

$$\frac{\sqrt{2}+1}{4}+\frac{3}{4}$$

Gan fod gan \frac{\sqrt{2}+1}{4} a \frac{3}{4} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.

$$\frac{\sqrt{2}+1+3}{4}$$

Gwnewch y gwaith cyfrifo yn \sqrt{2}+1+3.

$$\frac{\sqrt{2}+4}{4}$$