Evaluate the Following Expression $5 \cos 5 x - \frac { 5 \cos 5 x } { 1 - \tan 5 x }$

question 23

Multiple Choice

Evaluate the following expression.(x ? ?/10 + ?n,where n is a whole number) ? $5 \cos 5 x - \frac { 5 \cos 5 x } { 1 - \tan 5 x }$ ?

• A) \(\frac { 10 \sin 5 x \cos 5 x } { \sin 5 x - \cos 5 x }\)
• B) \(\frac { - 5 \sin 5 x \cos 5 x } { \sin 5 x + \cos 5 x }\)
• C) \(\frac { 5 \sin 5 x \cos 5 x } { \sin 5 x - \cos 5 x }\)
• D) \(\frac { - 5 \sin 5 x \cos 5 x } { \sin 5 x - \cos 5 x }\)
• E) \(\frac { 5 \sin 5 x \cos 5 x } { \sin 5 x + \cos 5 x }\)

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