Datrys 13cos(13)-2*13^2+3*13-1

$$13 \cos ( 13 ) -2 \times { 13 }^{ 2 } +3 \times 13-1$$

Enrhifo

$$-287.3331891577919424$$

Camau Ateb

Evaluate trigonometric functions in the problem

$$13 \cdot 0.9743700647852352 - 2 \cdot {(13)} ^ {2} + 3 \cdot 13 - 1$$

Lluosi 13 a 0.9743700647852352 i gael 12.6668108422080576.

$$12.6668108422080576-2\times 13^{2}+3\times 13-1$$

Cyfrifo 13 i bŵer 2 a chael 169.

$$12.6668108422080576-2\times 169+3\times 13-1$$

Lluosi 2 a 169 i gael 338.

$$12.6668108422080576-338+3\times 13-1$$

Tynnu 338 o 12.6668108422080576 i gael -325.3331891577919424.

$$-325.3331891577919424+3\times 13-1$$

Lluosi 3 a 13 i gael 39.

$$-325.3331891577919424+39-1$$

Adio -325.3331891577919424 a 39 i gael -286.3331891577919424.

$$-286.3331891577919424-1$$

Tynnu 1 o -286.3331891577919424 i gael -287.3331891577919424.

$$-287.3331891577919424$$

Ffactor

$$-287.3331891577919424$$