Evaluate the Expression $\sin ^ { 2 } 270 ^ { \circ } + \cos ^ { 2 } 270 ^ { \circ }$

question 145

Multiple Choice

Evaluate the expression.
- $\sin ^ { 2 } 270 ^ { \circ } + \cos ^ { 2 } 270 ^ { \circ }$

• A) 1
• B) \(\sqrt { 3 }\)
• C) \(\sqrt { 2 }\)
• D) 2

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Definitions:

Standard Oil

A major American company founded by John D. Rockefeller and associates, dominating the oil industry and later broken up due to antitrust laws.

Petroleum Industry

The sector involved in the exploration, extraction, refining, transportation, and marketing of petroleum products.

Antitrust Policy

Government regulations designed to promote competition and prevent monopolies and other forms of market dominance that harm consumers.

Monopoly Power

The ability of a firm to control the market price and output of a product because it is the sole supplier in a market with high barriers to entry.