Choose the One Alternative That Best Completes the Statement or Answers

question 190

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
Complete the identity.
- $\cos \left( \tan ^ { - 1 } \mathrm { v } \right) = ?$

• A) \(v \sqrt { v ^ { 2 } + 1 }\)
• B) \(\frac { \sqrt { v ^ { 2 } - 1 } } { v ^ { 2 } - 1 }\)
• C) \(\frac { \sqrt { v ^ { 2 } + 1 } } { v ^ { 2 } + 1 }\)
• D) \(\frac { v \sqrt { v ^ { 2 } + 1 } } { v ^ { 2 } + 1 }\)

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Definitions:

Election of 1876

A highly contested and controversial presidential election in the United States, resolved by the Compromise of 1877, leading to the end of Reconstruction era.

Democratic Dominance

Periods in political history where the Democratic Party has maintained a majority in legislative bodies or held the presidency for consecutive terms.

President Hayes

Rutherford B. Hayes, the 19th President of the United States, best known for ending the Reconstruction era through the Compromise of 1877.