cos(a) = [tex] \frac{ca}{h} [/tex]
[tex] \frac{co}{h} = \frac{4}{5} [/tex]
Ca = 4
Co = ?
Hip = 5
Ca = [tex] \sqrt{ 5^{2} - 4^{2} } [/tex]
Ca = [tex] \sqrt{9} [/tex]
Ca = 3
Ca = 4
Co = 3
Hip = 5
Sen (a) = [tex] \frac{co}{h} [/tex]
Sen (a) = [tex] \frac{3}{5} [/tex] <------ Respuesta
