Question

Evalute:

sin18°/cos72°

Answer 1

sin 18°=cos(90-18)°=cos 72°
therefore
$\frac{sin \: 18}{cos \: 72}$
$\frac{cos \: 72}{cos \: 72}$
$1$

Answer 2

Answer:it is simple we have to consider 90

Step-by-step explanation: