Buktikan bahwaSin kuadrat alfa + sin kuadrat alfa × tan kuadrat alfa = tan kuadrat alfa

[tex] {sin}^{2} a + {sin}^{2} a \times {tan}^{2} a = {tan}^{2} a \\ {sin}^{2} a(1 + {tan}^{2} a) = {tan}^{2} a \\ {sin}^{2} a({sec}^{2} a) = {tan}^{2} a \\ \frac{{sin}^{2} a}{{cos}^{2} a} = {tan}^{2} a[/tex]