Question

$\sin {60}^o\cos {30}^o+\sin {30}^o\cos {60}^o=........$

Answer 1

$\sin {60}^o\cos {30}^o+\sin {30}^o\cos {60}^o=..............$
$=\frac{\sqrt{3}}{2}.\frac{\sqrt{3}}{2}+\frac{1}{2}.\frac{1}{2}=\frac{3}{4}+\frac{1}{4}=1$