Datrys (sinpi/6+cospi/3)^2+(sinpi/3+cospi/6)^2

$$( \sin \frac { \pi } { 6 } + \cos \frac { \pi } { 3 } ) ^ { 2 } + ( \sin \frac { \pi } { 3 } + \cos \frac { \pi } { 6 } ) ^ { 2 }$$

Enrhifo

$$4$$

Camau Ateb

Cael gwerth \sin(\frac{\pi }{6}) o’r tabl gwerthoedd trigonometrig.

$$\left(\frac{1}{2}+\cos(\frac{\pi }{3})\right)^{2}+\left(\sin(\frac{\pi }{3})+\cos(\frac{\pi }{6})\right)^{2}$$

Cael gwerth \cos(\frac{\pi }{3}) o’r tabl gwerthoedd trigonometrig.

$$\left(\frac{1}{2}+\frac{1}{2}\right)^{2}+\left(\sin(\frac{\pi }{3})+\cos(\frac{\pi }{6})\right)^{2}$$

Adio \frac{1}{2} a \frac{1}{2} i gael 1.

$$1^{2}+\left(\sin(\frac{\pi }{3})+\cos(\frac{\pi }{6})\right)^{2}$$

Cyfrifo 1 i bŵer 2 a chael 1.

$$1+\left(\sin(\frac{\pi }{3})+\cos(\frac{\pi }{6})\right)^{2}$$

Cael gwerth \sin(\frac{\pi }{3}) o’r tabl gwerthoedd trigonometrig.

$$1+\left(\frac{\sqrt{3}}{2}+\cos(\frac{\pi }{6})\right)^{2}$$

Cael gwerth \cos(\frac{\pi }{6}) o’r tabl gwerthoedd trigonometrig.

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

Cyfuno \frac{\sqrt{3}}{2} a \frac{\sqrt{3}}{2} i gael \sqrt{3}.

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

Sgwâr \sqrt{3} yw 3.

$$1+3$$

Adio 1 a 3 i gael 4.

$$4$$

Ffactor

$$2^{2}$$