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Cos A 4/5 so the answer is d

Step-by-step explanation:

D

Step-by-step explanation:

Remark

The tangent is described as the ratio of the side opposite the reference angle divided by the side adjacent to the reference angle.

In this case

The reference angle is B

The side opposite is AC and it has a value of 4

The side adjacent is BC and it has a value of 3

Hypotenuse

If you are finding either the sine or cosine of any angle, you need the hypotenuse.

AB^2 = 4^2 + 3^2 = 16 + 9

AB^2 = 16 + 9

AB^2 = 25

Take the square root of 25

AB = 5

Cos(A)

The cos(A) = adjacent / hypotenuse

Adjacent = AC = 4

Hypotenuse = AB = 5

Cos(A) = a/h

Cos(A) = 4/5 which is D

1. is 4 and 2. is 3

step-by-step explanation:

so if you look at the first one you see that 1 is to 4 and 2 is to 8 and so on, so you can see for every 1 there is a times 4 so if it were 3 then it would be 3*4 and it is 12

for number 2 it is 3 because 1 is to 3 and 2 is to 6 so for every 1 there is 3 so if it were 3 then there would be 3*3 = 9

is there a picture

step-by-step explanation: