Answer:
The value of the cosine function at 37º is 0.80. A. 0.80
Step-by-step explanation:
The correct statement is: "If the secant of 37º is 1.25, the cosine value to the hundredths degree is:"
Secant and cosine functions are related by the following trigonometric identity:
![\sec 37^{\circ} = \frac{1}{\cos 37^{\circ}}](https://tex.z-dn.net/?f=%5Csec%2037%5E%7B%5Ccirc%7D%20%3D%20%5Cfrac%7B1%7D%7B%5Ccos%2037%5E%7B%5Ccirc%7D%7D)
![\cos 37^{\circ} = \frac{1}{\sec 37^{\circ}}](https://tex.z-dn.net/?f=%5Ccos%2037%5E%7B%5Ccirc%7D%20%3D%20%5Cfrac%7B1%7D%7B%5Csec%2037%5E%7B%5Ccirc%7D%7D)
![\cos 37^{\circ} =\frac{1}{1.25}](https://tex.z-dn.net/?f=%5Ccos%2037%5E%7B%5Ccirc%7D%20%3D%5Cfrac%7B1%7D%7B1.25%7D)
![\cos 37^{\circ} = 0.80](https://tex.z-dn.net/?f=%5Ccos%2037%5E%7B%5Ccirc%7D%20%3D%200.80)
The value of the cosine function at 37º is 0.80. The right answer is A.
Answer:
7.5
Step-by-step explanation:
Add each number then divide at the end
Short Answer A
Comment
It's a good thing that the domain is confined or the graph is. That function is undefined if x < - 3
At exactly x = - 3, f(x) = 0 and that's your starting point.
So look what happens to this graph. If x = 0, f(0) = y = 3. So we are starting to see that as x get's larger so does f(x). The graph tells us that x = 0 is bigger than x = - 3.
Let's keep on plugging things in.
As x increases to 5, f(5) = 5. x = 5 is larger than x = 0, and f(5) > 3.
One more and then we'll start drawing conclusions. If x = 9 then f(9) = y = 6.
x = 9 is larger than x = 5. f(9) = 6 is just larger than f(5) which is 5
OK I think we should be ready to look at answers. There's nothing there that makes the answer anything but a. Let's find out what the problem is with the rest of the choices.
B
The problem with B is that as x increases, f(x) does not decrease. We didn't find one example of that. So B is wrong.
C
C has exactly the same problem as B.
D
The second statement in D is incorrect. As x increases f(x) never decreases. No example showed that.
The answer is A <<<< Answer.
Answer:
Be specific of your question
Step-by-step explanation:
I dont get it sorry