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anonymous
 one year ago
The point (3, 4) is on the terminal side of an angle θ . What is cos θ?
anonymous
 one year ago
The point (3, 4) is on the terminal side of an angle θ . What is cos θ?

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misty1212
 one year ago
Best ResponseYou've already chosen the best response.1dw:1434675068016:dw

misty1212
 one year ago
Best ResponseYou've already chosen the best response.1find the hypotenuse of that right triangle, lets call it \(h\) it will be \(\cos(\theta)=\frac{3}{h}\)

misty1212
 one year ago
Best ResponseYou've already chosen the best response.1the hypotenuse you can do with your eyeballs if you remember the mother of all right triangles, the 3  4  5 right triangle or you could use pythagoras if you do not remember that one

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Through high school ive had sucky math teachers, so i barely learned anything. So, im having to take online classes and im a visual learner and dont know how to do any of this. Its so confusing

misty1212
 one year ago
Best ResponseYou've already chosen the best response.1what you need to know for this is that the cosine is the first coordinate divided by the length of the hypotenuse

misty1212
 one year ago
Best ResponseYou've already chosen the best response.1you are told that the first coordinate is 3 so that is your numerator also the other leg of the triangle has length 4 that means, by pythangoras, since \[3^2+4^2=h^2\] you have \[9+16=h^2\\ 25=h^2\\ 5=h\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0here are the answer choices a)  3/5 b) 3/5 c) 3/4 D) 3/4 E) 3
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