Question

1.Sen30°+cos90°
2.csc 30°xcot60°
3.sec60°\cos30°

Answer 1

1. 1/2+0
2.
$2 \times \frac{ \sqrt{3} }{3}$
3.
$\frac{2}{ \frac{ \sqrt{3} }{2} }$
$\sqrt{3}$