$\left(\phi ,\lambda \right)$

$\lambda =0˚$

$\lambda =15˚$

$\lambda =30˚$

$\lambda =45˚$

$\lambda =60˚$

$\lambda =75˚$

$\phi =0˚$

1

$\frac{2}{\sqrt{2+\sqrt{3}}}$

$\frac{2}{\sqrt{3}}$

$\sqrt{2}$

2

$2\sqrt{2+\sqrt{3}}$

$\phi =15˚$

1

$\frac{4}{\sqrt{15}}$

$\frac{4}{\sqrt{14-\sqrt{3}}}$

$2\sqrt{\frac{12+2\sqrt{3}}{33}}$

$\frac{4}{\sqrt{10-3\sqrt{3}}}$

$\frac{4}{\sqrt{9-4\sqrt{3}}}$

$\phi =30˚$

1

$\frac{4}{\sqrt{10+3\sqrt{3}}}$

$\frac{4}{\sqrt{13}}$

$2\sqrt{\frac{2}{5}}$

$\frac{4}{\sqrt{7}}$

$\frac{4}{\sqrt{10-3\sqrt{3}}}$

$\phi =45˚$

1

$2\sqrt{\frac{2}{6+\sqrt{3}}}$

$2\sqrt{\frac{2}{7}}$

$\frac{2}{\sqrt{3}}$

$2\sqrt{\frac{2}{5}}$

$2\sqrt{\frac{12+2\sqrt{3}}{33}}$

$\phi =60˚$

1

$\frac{4}{\sqrt{14+\sqrt{3}}}$

$\frac{4}{\sqrt{15}}$

$2\sqrt{\frac{2}{7}}$

$\frac{4}{\sqrt{13}}$

$\frac{4}{\sqrt{14-\sqrt{3}}}$

$\phi =75˚$

1

$\frac{4}{\sqrt{9+4\sqrt{3}}}$

$\frac{4}{\sqrt{14+\sqrt{3}}}$

$2\sqrt{\frac{2}{6+\sqrt{3}}}$

$\frac{4}{\sqrt{10+3\sqrt{3}}}$

$\frac{4}{\sqrt{15}}$