SOLUTION: (cos x-sqrt of2/2)(sec x-1)=0

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Question 763671: (cos x-sqrt of2/2)(sec x-1)=0
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
domain: [0,π/2]
(cos x-sqrt of2/2)(sec x-1)=0
%28cos%28x%29-sqrt%282%29%2F2%29%28sec%28x%29-1%29=0
cosx-√2/2=0
cosx=√2/2
x=π/4 or 45º
..
secx-1=0
secx=1
1/cosx=1
cosx=1
x=0