Use the Graph of F to Find the Simplest Expression $f ( x ) = \frac { \sin 4 t + \sin 5 t + \sin 6 t } { \cos 4 t + \cos 5 t + \cos 6 t }$

question 19

Multiple Choice

Use the graph of f to find the simplest expression g(x) such that the equation f (x) = g (x) is an identity. $f ( x ) = \frac { \sin 4 t + \sin 5 t + \sin 6 t } { \cos 4 t + \cos 5 t + \cos 6 t }$

• A) \(g ( x ) = \cot ( 5 x )\)
• B) \(g ( x ) = \tan ( 5 x )\)
• C) \(g ( x ) = \cot ( 6 x )\)
• D) \(g ( x ) = \tan ( 6 x )\)
• E) \(g ( x ) = \tan ( 4 x )\)

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