Solve the equation sec2 x + 2 sec x − 8 = 0

Q: Solve for x.  Solve for y.

A: Given:

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A: sec(4x)-5=0sec(4x)=54x=sec-1(5)x=14sec-1(5)

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A: topic  -   Trigonometry

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A: It is an Cauchy Euler differential equation

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