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Find the Exact Value of the Expression sin135sin270\sin 135 ^ { \circ } - \sin 270 ^ { \circ }

question 33

Multiple Choice

Find the exact value of the expression. Do not use a calculator.
- sin135sin270\sin 135 ^ { \circ } - \sin 270 ^ { \circ }


Definitions:

General Adaptation Syndrome

A theoretical model describing the body's short-term and long-term reactions to stress, consisting of three stages: alarm, resistance, and exhaustion.

Mediating Factors

Variables that explain the relationship between two other variables, essentially serving as a bridge or mediator in their interaction.

Dopamine Neurons

Neurons that produce and release dopamine, a neurotransmitter that plays a key role in reward, motivation, memory, attention, and even regulating body movements.

Role Models

Individuals whose behavior, example, or success is or can be emulated by others, especially by younger people.

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