Find the Exact Value of the Expression $\sin 135 ^ { \circ } - \sin 270 ^ { \circ }$

question 99

Multiple Choice

Find the exact value of the expression. Do not use a calculator.
- $\sin 135 ^ { \circ } - \sin 270 ^ { \circ }$

• A) \(\frac { \sqrt { 2 } - 2 } { 2 }\)
• B) 2
• C) \(\frac { \sqrt { 2 } + 2 } { 2 }\)
• D) \(\frac { \sqrt { 2 } } { 2 }\)

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Definitions:

Social Regulations

The rules and norms established by a society that govern behavior and processes within that society.

Moral Rules

Guidelines for behavior that are considered right and wrong within a society or group, often based on ethical beliefs.

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The cognitive process of selecting a course of action from among multiple alternatives.

Autobiographical Memory

The aspect of memory concerned with recollecting personal experiences and events from one's own life.