Condition
It is true.
Excel has a category called Logical Functions. The IF function is the one of those that most people use and associate with returning True or False values. Other functions also return True or False values. There is a TRUE function and a FALSE function. The OR function and the AND function can be used to return True or False values too. The NOT function can reverse a True or False value, so it also returns True or False.
It can be called a logical test.
False; the cosine function is an even function as cos(-x) = -cos(x).
true!
False
The different functions from the Logical functions category deal with true and false. The main one of them is the IF function.
A logical function, such as the IF function.
False
false
False
False, your hypothesis has fallacies.