Prove $\cos \left( x + \frac { \pi } { 4 } \right) = - \sin \left( x - \frac { \pi } { 4 } \right)$

question 10

Essay

Prove $\cos \left( x + \frac { \pi } { 4 } \right) = - \sin \left( x - \frac { \pi } { 4 } \right)$ .

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Definitions:

Neuroglial Tissue

Tissue in the nervous system made up of cells that support, nourish, and protect neurons.

Hydrocephalus

A condition characterized by an abnormal accumulation of cerebrospinal fluid (CSF) in the ventricles of the brain, which can lead to increased intracranial pressure and swelling.

Vertebral Posterior Arch

The posterior portion of the vertebral bone that, together with the vertebral body, encloses the spinal canal.

Nerve Impulses

Electrical signals that travel along nerve cells and are used for communication throughout the body.