Use a Graphing Utility to Solve the Equation on the Interval

question 397

Multiple Choice

Use a graphing utility to solve the equation on the interval 0 $0 ^ { \circ } \leq x < 360 ^ { \circ }$ . Express the solution(s) rounded to one decimal
place.
- $\sin ^ { 2 } x - 8 \sin x - 4 = 0$

• A) 28.2°, 151.8°, 208.2°, 331.8°
• B) 28.2°, 151.8°
• C) 208.2°, 331.8°
• D) No solution

Explain the processes of depolarization, repolarization, and the refractory period in neurons.

Describe the differences between myelinated and unmyelinated neurons in terms of action potential propagation.

Understand the role and functions of glial cells in the nervous system.

Distinguish between the components of gray matter and white matter in the brain.

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