Use the Half-Angle Formulas to Simplify the Expression $$- \sqrt { \frac { 1 + \cos 6 x } { 1 - \cos 6 x } }$$

question 47

Multiple Choice

Use the half-angle formulas to simplify the expression.​ $$- \sqrt { \frac { 1 + \cos 6 x } { 1 - \cos 6 x } }$$ ​

• A)​- |cot x|
• B)​- |3 tan x|
• C)​- |3 tan 6x|
• D)​- |3 cot 3x|
• E)​- |cot 3x|

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Income Statement

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Other Income

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