Question

cuanto es:
$\sqrt{5^{2}+3^{2}+2(5)(3)cos(60)}$

Answer 1

Respuesta:

7

Explicación paso a paso:

$cos(60) = \frac{1}{2}$

Entonces:

$\sqrt{5^{2}+3^{2}+2(5)(3)cos(60)}$

$\sqrt{5^{2}+3^{2}+2(5)(3)(\frac{1}{2})}$

$\sqrt{25+9+2(15)(\frac{1}{2})}$

$\sqrt{34+30(\frac{1}{2})}$

$\sqrt{34+15}$

$\sqrt{49}$

$7$