Express the Sum or Difference as a Product of Sines $\sin ( 7 \theta ) + \sin ( 3 \theta )$

question 41

Multiple Choice

Express the sum or difference as a product of sines and/or cosines.
- $\sin ( 7 \theta ) + \sin ( 3 \theta )$

• A) \(2 \sin ( 5 \theta ) \sin ( 2 \theta )\)
• B) \(2 \cos ( 5 \theta ) \sin ( 2 \theta )\)
• C) \(2 \sin ( 10 \theta )\)
• D) \(2 \sin ( 5 \theta ) \cos ( 2 \theta )\)

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Definitions:

Muscle Strength

The ability of a muscle or group of muscles to exert force against resistance.

Body's Metabolism

The complex chemical processes occurring within a living organism that are necessary for maintaining life, including converting food into energy.

Isometric Exercise

A form of resistance training where the joint angle and muscle length do not change during contraction.

Movement Training

A therapeutic or fitness practice that emphasizes improving physical movements to enhance health and performance.