Whakaoti i te 7sin21^circ/sqrt{3/2}

$$\frac { 7 \sin 21 ^ { \circ } } { \frac { \sqrt { 3 } } { 2 } }$$

Aromātai

$$\frac{250857564681710189\sqrt{3}}{150000000000000000}\approx 2.89665365$$

Ngā Upane Otinga

Evaluate trigonometric functions in the problem

$$\frac{7 \cdot 0.35836794954530027}{\frac{\sqrt{3}}{2}}$$

Whakareatia te 7 ki te 0.35836794954530027, ka 2.50857564681710189.

$$\frac{2.50857564681710189}{\frac{\sqrt{3}}{2}}$$

Whakawehe 2.50857564681710189 ki te \frac{\sqrt{3}}{2} mā te whakarea 2.50857564681710189 ki te tau huripoki o \frac{\sqrt{3}}{2}.

$$\frac{2.50857564681710189\times 2}{\sqrt{3}}$$

Whakangāwaritia te tauraro o \frac{2.50857564681710189\times 2}{\sqrt{3}} mā te whakarea i te taurunga me te tauraro ki te \sqrt{3}.

$$\frac{2.50857564681710189\times 2\sqrt{3}}{\left(\sqrt{3}\right)^{2}}$$

Ko te pūrua o \sqrt{3} ko 3.

$$\frac{2.50857564681710189\times 2\sqrt{3}}{3}$$

Whakareatia te 2.50857564681710189 ki te 2, ka 5.01715129363420378.

$$\frac{5.01715129363420378\sqrt{3}}{3}$$

Whakawehea te 5.01715129363420378\sqrt{3} ki te 3, kia riro ko \frac{250857564681710189}{150000000000000000}\sqrt{3}.

$$\frac{250857564681710189}{150000000000000000}\sqrt{3}$$