Use Various Trigonometric Identities to Simplify the Expression Then Integrate $$\int \cos ^ { 6 } \theta \sin 2 \theta d \theta$$

question 92

Multiple Choice

Use various trigonometric identities to simplify the expression then integrate.
- $$\int \cos ^ { 6 } \theta \sin 2 \theta d \theta$$

• A) \(- \frac { 1 } { 4 } \cos ^ { 8 } \theta + C\)
• B) \(\frac { 1 } { 8 } \cos ^ { 7 } \theta + C\)
• C) \(- \frac { 2 } { 9 } \cos ^ { 9 } \theta + C\)
• D) \(\frac { 2 } { 7 } \cos ^ { 6 } \theta + C\)

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