Use a Double-Angle Formula to Rewrite the Expression

question 35

Multiple Choice

Use a double-angle formula to rewrite the expression. ​
3 - 6 sin² x
​

• A)6 cos x
• B)​3 sin 2x
• C)​3 sin x
• D)​3 cos 2x
• E)​6 cos 2x

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Definitions:

Posterior Knee

The backside of the knee joint, an area that includes tendons, ligaments, and bursae important for knee movement and stability.

Annular Ligament

A fibrous band of tissue that encircles and stabilizes a joint.

Radial Head

The proximal end of the radius bone in the forearm, near the elbow, that allows for arm rotation.

Knee Joint

A complex hinge joint that connects the thigh bone (femur) to the shin bone (tibia), allowing for movement in the lower leg.