SOLUTION: how do you solve for all values of x with sec 2(x+30)=1

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Question 806741: how do you solve for all values of x with sec 2(x+30)=1
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
how do you solve for all values of x with sec 2(x+30)=1
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sec^2(x+30˚)=1
1/cos^2(x+30)=1
cos^2(x+30)=1
cos(x+30)=±1
..
cos(x+30)=1
x+30=0
x=-30˚+360k, k=1nteger
..
cos(x+30)=-1
x+30=180
x=150˚+360k, k=1nteger