Question

find the value of :

`( tan 45°)/ (cos ec30°) +( sec60°)/(co 45°) – (5 sin 90°)/ (2 cos 0°)`

Answer 1

`( tan 45°)/ (cos ec30°) +( sec60°)/(co 45°) – (5 sin 90°)/ (2 cos 0°) = (1)/(2) + (2)/(1)+(5)/(2)`

`= ( 1 + 4 – 5)/(2) = 0`