Whakaoti i te sin80^circ/2cos45^circ=

$$\frac { \sin 80 ^ { \circ } } { 2 \cos 45 ^ { \circ } } =$$

Aromātai

$$\frac{61550484563263\sqrt{2}}{125000000000000}\approx 0.69636424$$

Ngā Upane Otinga

Evaluate trigonometric functions in the problem

$$\frac{0.984807753012208}{2 \cos(45)}$$

Tīkina te uara \cos(45) mai i te ripanga uara pākoki.

$$\frac{0.984807753012208}{2\times \frac{\sqrt{2}}{2}}$$

Me whakakore te 2 me te 2.

$$\frac{0.984807753012208}{\sqrt{2}}$$

Whakangāwaritia te tauraro o \frac{0.984807753012208}{\sqrt{2}} mā te whakarea i te taurunga me te tauraro ki te \sqrt{2}.

$$\frac{0.984807753012208\sqrt{2}}{\left(\sqrt{2}\right)^{2}}$$

Ko te pūrua o \sqrt{2} ko 2.

$$\frac{0.984807753012208\sqrt{2}}{2}$$

Whakawehea te 0.984807753012208\sqrt{2} ki te 2, kia riro ko 0.492403876506104\sqrt{2}.

$$0.492403876506104\sqrt{2}$$