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Vera_Pavlovna [14]
2 years ago
14

How do I solve cos x> 1/2 sin x?

Mathematics
1 answer:
Hatshy [7]2 years ago
4 0

Divide both sides by \dfrac12\cos x:

\dfrac{\cos x}{\frac12\cos x}>\dfrac{\frac12\sin x}{\frac12\cos x}\implies2>\dfrac{\sin x}{\cos x}=\tan x

If -\dfrac\pi2, then

\tan x

and more generally, for any integer n,

n\pi-\dfrac\pi2

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