Question

Evaluate the following.
$\sin {60}^o\cos {30}^o+\sin {30}^o\cos {60}^o$.

Answer 1

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