Ratkaise 25*cos(20)+25*cos(50)

$$25 \times \cos ( 20 ) +25 \times \cos ( 50 )$$

Laske

$$39,562005761811195$$

Ratkaisun vaiheet

Evaluate trigonometric functions in the problem

$$25 \cdot 0,9396926207859084 + 25 \cdot 0,6427876096865394$$

Kerro 25 ja 0,9396926207859084, niin saadaan 23,49231551964771.

$$23,49231551964771+25\times 0,6427876096865394$$

Kerro 25 ja 0,6427876096865394, niin saadaan 16,069690242163485.

$$23,49231551964771+16,069690242163485$$

Selvitä 39,562005761811195 laskemalla yhteen 23,49231551964771 ja 16,069690242163485.

$$39,562005761811195$$

Jaa tekijöihin

$$\frac{3 \cdot 13 \cdot 202882080829801}{2 ^ {15} \cdot 5 ^ {14}} = 39\frac{112401152362239}{200000000000000} = 39,56200576181119$$