DrPepperx3
help? 2 questions c: medal!



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DrPepperx3
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3. What is the value of x to the nearest tenth?
a.18
b.19
c.71
d.72

Mertsj
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In relation to the angle x, what sides do you know: hypotenuse, adjacent, opposite.
Choose.

DrPepperx3
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hypotenuse?

Mertsj
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Do you understand that the hypotenuse is always the longest sides in a right triangle and that it is opposite the right angle?

Mertsj
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dw:1393801824049:dw

DrPepperx3
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yes I understand

Mertsj
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So I repeat my original question: In relation to the angle x, what two sides do you know?

Mertsj
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dang, buddy, the triangle only has 3 sides. If it's not the hypotenuse, what is left?

DrPepperx3
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I know sorry my screen froze I guess adjacent and opposite

Mertsj
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Which is the adjacent side: 11 or 33? Remember adjacent means "next to"

DrPepperx3
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33

Mertsj
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Now, you know the adjacent side and the opposite side, what trig function does that make you think of?

DrPepperx3
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tan right?

Mertsj
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yes

Mertsj
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\[\tan x=\frac{opp}{adj}\]

Mertsj
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Fill in the sides and solve the equation for x

DrPepperx3
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I got 0.00581 ? ...

Mertsj
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What did you get for the tangent?

DrPepperx3
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that's what I got I put tan 11/33

Mertsj
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\[\tan x=\frac{11}{33}=\frac{1}{3}=.3333333...\]

DrPepperx3
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how did you get the last part?

Mertsj
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What do you think 1 divided by 3 is?

DrPepperx3
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and the answers are
a.18
b.19
c.71
d.72
/:

DrPepperx3
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ohhh ok nvm >_<

Mertsj
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So type .33333333 into your calculator and then push the inverse tangent button

Mertsj
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Or, depending on your calculator push inverse tangent button and then .33333333 =

Mertsj
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What did you get?

DrPepperx3
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okay im using this calculator because I don't have one and still doing that I get the same answer ..
http://web2.0calc.com/

Mertsj
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Push 2nd
Then the tan button will say atan which stands for "arctangent"
Then enter .3333333333
Then push =

DrPepperx3
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18.4 ! a

Mertsj
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yep

DrPepperx3
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thank you

Mertsj
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yw