Use the Given Function Value(s),and Trigonometric Identities (Including the Cofunction $\frac { 1 } { 2 }$

question 55

Multiple Choice

Use the given function value(s) ,and trigonometric identities (including the cofunction identities) ,to find the indicated trigonometric functions. ?sin 30° = $\frac { 1 } { 2 }$ ,cos 30° = $\frac { \sqrt { 3 } } { 2 }$ ?
?sin 60° and cos 60°

• A)?sin 60° = 2 and cos 60° = \(\frac { 1 } { 2 }\)
• B)?sin 60° = \(\sqrt { 3 }\) and cos 60° = \(\frac { 1 } { 2 }\)
• C)?sin 60° = \(\frac { \sqrt { 3 } } { 2 }\) and cos 60° = \(\sqrt { 2 }\)
• D)?sin 60° = \(\frac { \sqrt { 3 } } { 2 }\) and cos 60° = \(\frac { 1 } { 2 }\)
• E)?sin 60° = \(\frac { \sqrt { 3 } } { 2 }\) and cos 60° = 2

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Definitions:

Scapula

A flat, triangular-shaped bone located in the upper back that connects the humerus (upper arm bone) with the clavicle (collarbone).

Intervertebral Disk

A layer of cartilage separating adjacent vertebrae in the spine, functioning as a shock absorber and allowing flexibility and movement.

Thoracic Region

The portion of the body's trunk located between the neck and the abdomen, housing the chest organs including the heart and lungs.

Vertebra

One of the individual bones that make up the vertebral column (spine), providing structural support and protecting the spinal cord.