Aizhalee
  • Aizhalee
MEDAL AND FAN WILL BE GIVEN Help with SIN, COS, TAN Benchmark In △JKL, solve for x.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
Aizhalee
  • Aizhalee
Aizhalee
  • Aizhalee
Is is Cos(27) = x/34 . what do I do afterwards and I am not too good with doing on a calculator help please ?
CGGURUMANJUNATH
  • CGGURUMANJUNATH
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More answers

marihelenh
  • marihelenh
It is supposed to be Tan(27)= 34/x. I can go into more detail if you would like on why it is like that.
Aizhalee
  • Aizhalee
Oh Ok sorry for the mistake , so yes thank you for helping what is the next step please ?
marihelenh
  • marihelenh
First, do you have a calculator that will let you solve for it?
Aizhalee
  • Aizhalee
yes I do
marihelenh
  • marihelenh
You have to solve for x, so multiply both side by x. That should leave you with Tan(27) x = 34
marihelenh
  • marihelenh
Divide both sides by Tan(27). You will get x= 34/Tan(27)
Aizhalee
  • Aizhalee
0.5095
marihelenh
  • marihelenh
How did you enter it into your calculator? You should be able to do 34/tan(27) and get the answer.
Aizhalee
  • Aizhalee
I have 66.73
marihelenh
  • marihelenh
Yep!! That's correct!
Aizhalee
  • Aizhalee
Yipee ♥ Thanks a lot :D
Aizhalee
  • Aizhalee
God bless . thanks for your help
marihelenh
  • marihelenh
Of course. It wasn't a problem. I just hope you were able to follow what was happening.
Aizhalee
  • Aizhalee
Yes But I have one more question , can you help me with it please
marihelenh
  • marihelenh
Let me see it. Hopefully I will be able to.
Aizhalee
  • Aizhalee
In △PQR, find the measure of ∡P.
marihelenh
  • marihelenh
Do you have a guess already?
Aizhalee
  • Aizhalee
cos
marihelenh
  • marihelenh
Yep. You use cosine.
Aizhalee
  • Aizhalee
yes so 57.6 over 33.8
marihelenh
  • marihelenh
It is the other way around. 33.8/57.6 The adjacent side goes over the hypotenuse.
Aizhalee
  • Aizhalee
Ok so 33.8 divided by 57.6
marihelenh
  • marihelenh
Yes. Divide it first. You will get something along the lines of .5868... After that, press 2ND on your calculator, then COS, then 2ND again, and the press the (-) button at the bottom. It will put in your previous answer and should give you the correct answer for the problem.
Aizhalee
  • Aizhalee
im using my computer calculator .
marihelenh
  • marihelenh
Ok give me a sec then...
Aizhalee
  • Aizhalee
ok thank you and take your time
marihelenh
  • marihelenh
I couldn't get it on the computer calculator, but if you go to web2.0calc.com/ you should be able to use a scientific calculator that will let you do the 2ND function. If you get there, just follow the same steps as before.
Aizhalee
  • Aizhalee
i dont understand this at all with the cal
marihelenh
  • marihelenh
Divide first.
Aizhalee
  • Aizhalee
i did , you said press 2nd and I did , but when I pressed 2nd I do not see cos
Aizhalee
  • Aizhalee
i see "acos"
marihelenh
  • marihelenh
Press acos.
Aizhalee
  • Aizhalee
yes I pressed it
Aizhalee
  • Aizhalee
now where is the (-) located ?
marihelenh
  • marihelenh
After you press acos, just hit = and you should get the answer. Sorry for the confusion.
Aizhalee
  • Aizhalee
54.06
marihelenh
  • marihelenh
Yep, so when you round it, you get 54.1.
Aizhalee
  • Aizhalee
rounded to 56.1 ? Thanks :) so much and its totally fine
marihelenh
  • marihelenh
Didn't it say on your question 54.1?
Aizhalee
  • Aizhalee
yes 54.1 * my mistake
marihelenh
  • marihelenh
Oh ok, just checking
Aizhalee
  • Aizhalee
ok thanks a lot :D take care God bless i appreciate it so much

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