Question

cos 45º
sec 30° + cosec 30°​

Answer 1

$\cos(45) + \sec(30) + \csc(30) \\ = \frac{1}{ \sqrt{2} } + \frac{2}{ \sqrt{3} } + 2 \\ = \frac{ \sqrt{3} + 2 \sqrt{2} + 2 \sqrt{6} }{ \sqrt{6} } \\ = \frac{( \sqrt{18} + 2 \sqrt{12} + 12)}{6}$