Solve the Problem $\tan 15 ^ { \circ } - \frac { \cos 75 ^ { \circ } } { \cos 15 ^ { \circ } }$

question 91

Multiple Choice

Solve the problem.
- $\tan 15 ^ { \circ } - \frac { \cos 75 ^ { \circ } } { \cos 15 ^ { \circ } }$

• A) 1
• B) 0
• C) -1
• D) 2

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Definitions:

Scientific Method

A systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge, based on empirical or measurable evidence.

Functional Fixedness

A cognitive bias that limits a person to using an object only in the way it is traditionally used.

Representative Heuristic

A mental shortcut that involves making judgments based on how well something matches existing prototypes or stereotypes in our minds.

Heuristics

Mental shortcuts or rules of thumb that simplify decision making, often leading to a solution that is good enough rather than perfect.