Find the principal solution of 1-cos x-cos x-2

The correct option is C x = 0 1 + cos x/cos x =2 1+cos x=2cos x cos x=1 x = 0 ...

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Equations with Solutions at Boundary Values

Find the prin...

Question

Find the principal solution of $\frac{1 + c o s x}{c o s x} = 2$

$x = 0$

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$x = \frac{π}{2}$

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$x = π$

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none of these

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