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Solve \(\dfrac{\sin x}{1 + \cos x} + \dfrac{1 + \cos x}{\sin x} = 4\)

 Jul 24, 2020
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Cross multiply the L

sin^2 + 1 +2cos + cos^2 = 4 sin (1+cos)           edited

2 + 2cos = 4 sin(1+cos)

2 = 4sin

1/2 = sin    = 30, 150 degrees

 Jul 24, 2020
edited by ElectricPavlov  Jul 24, 2020

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