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Andrews [41]
3 years ago
9

In the triangle below, what is the cosine of 45?

Mathematics
2 answers:
Colt1911 [192]3 years ago
7 0
Cosine = adjacent / hypotenuse
cosine = 1 / square root (2)

mote1985 [20]3 years ago
3 0

Answer:

√2

Step-by-step explanation:


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If f(x)= x^2 and g(x) = 4f (x)-1 then which of the following is the value of g (-3)
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Answer:

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Step-by-step explanation:

Given

f(x)= x^2-2 and g(x) = 4f (x)-1

g(x) = 4(x^2-2) - 1

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Get g(-3):

g(-3) = 4(-3)²-9

g(-3 = 4(9) - 9

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