Asked by Alex

Am I right on this?

2sec^2(2x)-8=0

2sec^2(2x)=8

divide by 2

sec^2(2x)=4

find square root

sec(2x)=2

Now, would this simply be asking me to find where secant is equal to one? Or is there no solution because secan't (pun intended) be equal to anything above 1?

Answers

Answered by Damon
sec^2(2x)=4

find square root
sec 2x = 2
or
sec 2x = -2
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