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

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

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User Amit Battan
by
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2 Answers

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Hello,

We suppose x≠+/-π/2.

2cos x - √2=0
==>cos x=√2/2
==>x= π/4 or x=3π/4 (modulo 2π)
answered
User AmitM
by
9.0k points
2 votes
We are given with the equation secx(2 cosx-sqrt 2) = 0
answered
User Lars Skaug
by
7.5k points
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