Evaluate
- $$\cos ^ { 2 } 315 ^ { \circ } - \sin ^ { 2 } 270 ^ { \circ } + 4 \tan ^ { 2 } 30 ^ { \circ }$$

question 174

Multiple Choice

Evaluate.
- $$\cos ^ { 2 } 315 ^ { \circ } - \sin ^ { 2 } 270 ^ { \circ } + 4 \tan ^ { 2 } 30 ^ { \circ }$$

• A) \(\frac { 17 } { 6 }\)
• B) \(\frac { 11 } { 6 }\)
• C) \(\frac { 5 } { 6 }\)
• D) \(- \frac { 1 } { 6 }\)

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Definitions:

Abnormal Behavior

Actions or behaviors that deviate significantly from what is considered typical or normal within a cultural or societal context, which can indicate a psychological or mental health issue.

Psychological Conflicts

Internal struggles that result from opposing desires, impulses, or needs within an individual.

Psychoanalysis

A method of treating mental disorders by investigating the interaction between the conscious and unconscious elements of the mind.

Early In Life

A term relating to or occurring in the beginning stages or years of life or development.