Express the Sum or Difference as a Product of Sines $$\cos ( 10 \theta ) - \cos ( 4 \theta )$$

question 370

Multiple Choice

Express the sum or difference as a product of sines and/or cosines.
- $$\cos ( 10 \theta ) - \cos ( 4 \theta )$$

• A) \(2 \cos ( 3 \theta )\)
• B) \(2 \cos ( 7 \theta ) \cos ( 3 \theta )\)
• C) \(- 2 \sin ( 7 \theta ) \sin ( 3 \theta )\)
• D) \(- 2 \cos ( 7 \theta ) \sin ( 3 \theta )\)

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Static

Unchanging in condition; at rest or in equilibrium.

Flexibility

The ability of joints and muscles to move through their full range of motion without discomfort or restriction.

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A range of characteristics pertaining to, and differentiating between, masculinity and femininity, often based on personal identity or social norms.

Extent of Injury

The level of physical harm or damage suffered by a person, which can range from minor to severe, impacting recovery and rehabilitation.