Question

cos30°tan45°+cos45°sin90°​

Answer 1

$\cos(30) \tan(45) \cos(45) \sin(90) \\ \\ = \frac{ \sqrt{ 3} }{2} \times 1 + \frac{1}{ \sqrt{2} } \times 1 \\ = \frac{ (\sqrt{6}+2) }{2 \sqrt{2} }$