Use a Graphing Utility to Solve the Equation on the Interval

question 330

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.
- $7 \cot ^ { 2 } x - 5 = 0$

• A) 103.2°, 145.2°, 283.2°, 325.2°
• B) 51.8°, 128.2°
• C) 70.5°, 109.5°, 180.0°
• D) 49.8°, 130.2°, 229.8°, 310.2°

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Definitions:

Hair Follicle

A dynamic organ found in mammalian skin, responsible for the production of hair through cycles of growth and rest.

Subcutaneous Tissue

The layer of tissue beneath the skin that contains fat and connective tissues.

Epidermis

The surface layer of the skin, responsible for water resistance and establishing skin coloration.

Dermis

The layer of skin beneath the epidermis that contains nerve endings, sweat glands, and hair follicles.