how do use solve sec A = 2.4 both with and without a calculator? Dianne (Mom of a summer school student who is desperately trying to dust off her algebra knowledge)

Question

amistre64 · Answer

trig functions really cant be done by hand unless you have a few weeks to try to keep track of it all

amistre64 · Answer

sec(A) i assume where A is an angle

amistre64 · Answer

$$sec^{-1}(2.4)$$
is the answer, but its by calculator since that doesnt appear at first sight to be a common trig angle