Question

find sec (330)

Answer 1

there are 360 degrees in a circle.
so going 330 is 30 short of 360.
so it's a reference angle of 30 degs

Answer 2

but we need to keep in mind that it is in quad Iv

Answer 3

sec 30= 1/sine=hyp/opp

Answer 4

so put sec 30 into the calculator or put in sine 30 and get that number and divide it into 1