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Lydia Carey 2022-06-24 Answered
Solve: cos 2 x > sin 2 x
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Answers (2)

Xzavier Shelton
Answered 2022-06-25 Author has 26 answers
cos 2 x > sin 2 x cos 2 x = cos 2 x sin 2 x > 0
2 n π π 2 < 2 x < 2 n π + π 2
where n is any integer
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Hector Petersen
Answered 2022-06-26 Author has 6 answers
my approach is to divide both sides by cos 2 ( x ) to get
tan 2 ( x ) < 1
or equivalently
1 < tan ( x ) < 1
Remember that tan ( x + π ) = tan ( x )
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