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Alex
2 years ago
12

Find all solutions to the equation secx(2 cosx-sqrt 2)=0

Mathematics
2 answers:
Lisa [10]2 years ago
7 0
We are given with the equation <span>secx(2 cosx-sqrt 2) = 0</span>
ollegr [7]2 years ago
6 0
Hello,

We suppose x≠+/-π/2.

2cos x - √2=0
==>cos x=√2/2
==>x= π/4 or x=3π/4 (modulo 2π)
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