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Mathematics, 28.07.2021 22:50 dixks
Select the correct answer from each drop-down menu.
A student begins a proof of the law of cosines. His work is shown.
(png/image displayed in download)
The next step in the proof is to write an expression for the length of side AZ in terms of _
Then the student should write an expression for the length of side AY in terms of_
Next he can use the _
to relate x, y, z, and _
(_) = blank, not known
1. blank choices
y, z and x
y, z and y
x, z and z
2. blank choices
z and Y
x and Z
z and X
3. blank choices
Pythagorean Theorem
Law of sines
tangent function
4. blank choices
X
Z
Y
Thanks for your time, have a nice day!
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Answers: 2
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A student begins a proof of the law of cosines....
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