Question

Calculați radical12 x sin 60 - radical 8 x sin 45 .

Answer 1

Răspuns:

$12 \times \frac{ \sqrt{3} }{2} - 8 \times \frac{ \sqrt{2} }{2} = \\ \frac{12 \sqrt{3} }{2} - \frac{8 \sqrt{2} }{2} = \\ 6 \sqrt{3} - 4 \sqrt{2} = \\ 2(3 \sqrt{3} - 2 \sqrt{2})$

sper că te-am ajutat!