ແກ້ frac{sin31^{circ}sec59^{circ}+cot59^{circ}cot31^circ}{8sin^230-tan^245^circ}

$$\frac { \sin 31 ^ { \circ } \sec 59 ^ { \circ } + \cot 59 ^ { \circ } \cot 31 ^ { \circ } } { 8 \sin ^ { 2 } 30 - \tan ^ { 2 } 45 ^ { \circ } }$$

ປະເມີນ

$$2,00000000000000025142552606969684$$

ຂັ້ນຕອນການແກ້

Evaluate trigonometric functions in the problem

$$\frac{0,5150380749100542 \cdot 1,9416040264103562 + 0,6008606190275606 \cdot 1,664279482350518}{8 \sin^{2}(30) - \tan^{2}(45)}$$

ຄູນ 0,5150380749100542 ກັບ 1,9416040264103562 ເພື່ອໃຫ້ໄດ້ 0,99999999999999988987361438330604.

$$\frac{0,99999999999999988987361438330604+0,6008606190275606\times 1,664279482350518}{8\left(\sin(30)\right)^{2}-\left(\tan(45)\right)^{2}}$$

ຄູນ 0,6008606190275606 ກັບ 1,664279482350518 ເພື່ອໃຫ້ໄດ້ 1,0000000000000003615519116863908.

$$\frac{0,99999999999999988987361438330604+1,0000000000000003615519116863908}{8\left(\sin(30)\right)^{2}-\left(\tan(45)\right)^{2}}$$

ເພີ່ມ 0,99999999999999988987361438330604 ແລະ 1,0000000000000003615519116863908 ເພື່ອໃຫ້ໄດ້ 2,00000000000000025142552606969684.

$$\frac{2,00000000000000025142552606969684}{8\left(\sin(30)\right)^{2}-\left(\tan(45)\right)^{2}}$$

ຮັບຄ່າຂອງ \sin(30) ຈາກຕາຕະລາງຄ່າຕີໂກນມິຕິ.

$$\frac{2,00000000000000025142552606969684}{8\times \left(\frac{1}{2}\right)^{2}-\left(\tan(45)\right)^{2}}$$

ຄຳນວນ \frac{1}{2} ກຳລັງ 2 ແລະ ໄດ້ \frac{1}{4}.

$$\frac{2,00000000000000025142552606969684}{8\times \frac{1}{4}-\left(\tan(45)\right)^{2}}$$

ຄູນ 8 ກັບ \frac{1}{4} ເພື່ອໃຫ້ໄດ້ 2.

$$\frac{2,00000000000000025142552606969684}{2-\left(\tan(45)\right)^{2}}$$

ຮັບຄ່າຂອງ \tan(45) ຈາກຕາຕະລາງຄ່າຕີໂກນມິຕິ.

$$\frac{2,00000000000000025142552606969684}{2-1^{2}}$$

ຄຳນວນ 1 ກຳລັງ 2 ແລະ ໄດ້ 1.

$$\frac{2,00000000000000025142552606969684}{2-1}$$

ລົບ 1 ອອກຈາກ 2 ເພື່ອໃຫ້ໄດ້ 1.

$$\frac{2,00000000000000025142552606969684}{1}$$

ຄ່າໃດທີ່ຫານດ້ວຍໜຶ່ງແມ່ນຈະໄດ້ຕົວມັນເອງ.

$$2,00000000000000025142552606969684$$