The value of `sec 20+sec 40 + sec 160` is

The value of sec20+sec40+sec160 is

The value of sec 40^(@)+sec 80^(@)+sec 160^(@) will be

The value of sec 40^(@)+sec 80^(@)+sec 160^(@) will be

Write the values of sec 0^(@) ,sec 30^(@) , sec 45^(@) , sec 60^(@) and sec 90^(@) . What happens to sec x when x increases from 0^(@) "to "90^(@) ?

If angle A and angle B are complementary to each other,then the value of sec^2 A + sec^2 B - sec^2 A sec^2 B is

In an acute angled /_ABC, the least value of sec A+sec B+sec C is

Write the values of sec0^(@), sec 30^(@), sec 45^(@), sec 60^(@) and sec 90^(@) . What happens to sec x when x increases from 0^(@) to 90^(@) ?

The value of sqrt3 cosec 20^circ - sec 20^circ is equal to