Question

How do you solve the equation `1/2secx-1=0`?

Answer 1

x= 60" or 300"

Explanation:

`1/2 secx` = 1
`1/2 times 1/(cos x)` = 1

RECALL: sec x = `1/(cos x)`

`1/(2 cos x)` = 1
1= 2 (cos x)
cos x= `1/2`
SINCE cos x is positive in the first and fourth quadrant,
then x= 60", 300"