Use the Properties of the Trigonometric Functions to Find the Exact

question 57

Multiple Choice

Use the properties of the trigonometric functions to find the exact value of the expression. Do not use a calculator.
- $\sin ^ { 2 } 80 ^ { \circ } + \cos ^ { 2 } 80 ^ { \circ }$

• A) 2
• B) 0
• C) 1
• D) -1

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Definitions:

Price Control

Government-imposed limits on the prices that can be charged for goods and services in the market, to protect consumers and prevent market abuse.

Legal Restriction

A regulatory measure that limits or controls certain actions within a legal framework.

Market Price

The current price at which an asset or service can be bought or sold in a marketplace.

Rent Controls

Government-imposed limits on the amount landlords can charge for renting out their property to ensure affordable housing for tenants.