Question

Prove that:
$\sin {60}^o\cos {30}^o+\cos {60}^o$

Answer 1

$\sin {60}^{\circ }\cos {30}^{\circ }+\cos {60}^{\circ }$

$=\frac{\sqrt{3}}{2}\times \frac{\sqrt{3}}{2}+\frac{1}{2}$

$=\frac{3}{4}+\frac{1}{2}$

$=\frac{3+2}{4}=\frac{5}{4}$