Ratkaise sin(25)cos(65)+cos(25)sin(65)

$$\sin ( 25 ) \cos ( 65 ) + \cos ( 25 ) \sin ( 65 )$$

Laske

$$0,9999999999999998885884691555863236$$

Ratkaisun vaiheet

Evaluate trigonometric functions in the problem

$$0,42261826174069944 \cdot 0,42261826174069944 + 0,9063077870366499 \cdot 0,9063077870366499$$

Kerro 0,42261826174069944 ja 0,42261826174069944, niin saadaan 0,1786061951567303400615833404163136.

$$0,1786061951567303400615833404163136+0,9063077870366499\times 0,9063077870366499$$

Kerro 0,9063077870366499 ja 0,9063077870366499, niin saadaan 0,82139380484326954852688581517001.

$$0,1786061951567303400615833404163136+0,82139380484326954852688581517001$$

Selvitä 0,9999999999999998885884691555863236 laskemalla yhteen 0,1786061951567303400615833404163136 ja 0,82139380484326954852688581517001.

$$0,9999999999999998885884691555863236$$

Jaa tekijöihin

$$\frac{521 \cdot 533162721262529264549194474081 \cdot 3 ^ {2}}{2 ^ {32} \cdot 5 ^ {34}} = 1\frac{2,8823037615171176 \times 10^{17}}{2,5 \times 10^{33}} = 1,0000000000000002$$