Y = sin x + cos x
f´(x)=cos x - sin x
The function is increasing when:
cos x - sin x (is greater than) 0 /: sin x
cot x - 1 (is greater than) 0
cot x (is greater than) 1
Function is strictly increasing for x∈ ( 0, π/4 ) ∪ (π, 5π/4 )
Function is strictly increasing for x ∈ ( π/4, π ) ∪ (5π/4, 2π ).
It was settled between the rivers for protection
Answer:
The 1844 United States presidential election was the 15th presidential election, held from November 1 to December 4, 1844. Democrat James K. Polk defeated Whig Henry Clay in a close contest turning on the controversial issues of slavery and the annexation of the Republic of Texas.
Explanation:
The Cuban economy has suffered since the Cold War came to an end so this statement is <u>FALSE</u>.
<h3>What happened to Cuba after the end of the Cold War?</h3>
After the Cold War ended, Cuba could no longer rely on the support of the dissolved Soviet Union.
As a result, it became more isolated and the sanctions placed on it by the United States, damaged the Cuban economy such that it has been stagnant.
Find out more on the Cuban Economy at brainly.com/question/1353077.
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