3 years ago

Name the algebraic property demonstrated in the example below.

1 answer:

7 0

The algebraic property demonstrated in the example below is Transitive Property of Equality. There we can see how the first thing is equal to the second one and notice that the first one is equal to the third one too. This is a Transitive Property of Equality in a nutshel.

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Cos (A − B)

iVinArrow [24]

Answer is choice C) cosine is even; sine is odd

The properties that come with even and odd functions are...
f(-x) = f(x) indicates we have an even function. So cos(-x) = cos(x)
f(-x) = -f(x) indicates we have an odd function. So sin(-x) = -sin(x)

note: the end result of the proof will lead to cos(A)cos(B)+sin(A)sin(B)

4 0

2 years ago

If a point is picked at random from the largest rectangle, what is the probability that it is not shaded? Assume that all of the

tia_tia [17]

$|\Omega|=32\\ |A|=14\\\\ P(A)=\dfrac{14}{32}=\dfrac{7}{16}\approx44\%$