Two Sides of a Right Triangle ABC (C Is the Right

question 79

Multiple Choice

Two sides of a right triangle ABC (C is the right angle) are given. Find the indicated trigonometric function of the given
angle. Give exact answers with rational denominators.
-Find $\cos \mathrm { A }$ when $\mathrm { a } = 3$ and $\mathrm { b } = 7$ .

• A) \(\frac { \sqrt { 58 } } { 7 }\)
• B) \(\frac { 7 \sqrt { 58 } } { 58 }\)
• C) \(\frac { 3 \sqrt { 58 } } { 58 }\)
• D) \(\frac { \sqrt { 58 } } { 3 }\)

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Definitions:

Executive Part

The component of the brain, particularly associated with the frontal lobes, responsible for decision-making, problem-solving, and regulating behavior.

Ego

Within the framework of psychoanalytic theory, it's the component of personality tasked with negotiating among the urges of the id, the dictates of the superego, and the constraints of reality.

Oedipus Complex

A Freudian concept describing a child's unconscious sexual desire for the opposite-sex parent and jealousy toward the same-sex parent.

Superego

A component of Sigmund Freud's psychoanalytic theory, representing the moral conscience and ideal standards.