Find All Solutions in the Interval [0, 2π]
- $\cos x = \sin x$

question 177

Multiple Choice

Find all solutions in the interval [0, 2π]
- $\cos x = \sin x$

• A) \(x = \frac { \pi } { 4 } , \frac { 5 \pi } { 4 }\)
• B) \(x = \frac { 3 \pi } { 4 } , \frac { 5 \pi } { 4 }\)
• C) \(x = \frac { 3 \pi } { 4 } , \frac { 7 \pi } { 2 }\)
• D) \(x = \frac { \pi } { 4 } , \frac { 7 \pi } { 4 }\)

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Definitions:

Levator Scapulae

A muscle located in the back and side of the neck that elevates the scapula (shoulder blade).

Transverse Processes

Lateral projections from the vertebrae to which muscles and ligaments attach, participating in the movement and stability of the spine.

Cervical Vertebrae

The seven vertebrae in the human neck that support the head and allow a range of movements.

Levator Scapulae

A muscle in the back and side of the neck that elevates the scapula (shoulder blade).