anonymous
  • anonymous
Find cot θ if sec θ =2.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
@Luigi0210 Can you help me with this last one please?
Psymon
  • Psymon
Do you know what sides of a triangle secant corresponds to?
Luigi0210
  • Luigi0210
Yup, draw a triangle

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More answers

anonymous
  • anonymous
I know secant is H/A .
anonymous
  • anonymous
|dw:1377653239695:dw|
Luigi0210
  • Luigi0210
Woah, so many people answering..
anonymous
  • anonymous
Unexpectedly, yes lol.
Psymon
  • Psymon
Right. So if H/A = 2, then A must be 1. with that knowledge, use those two values and pythagorean theorem to find thefinal side. Then do you know what sides cotangent are?
anonymous
  • anonymous
Cot is A/O
Luigi0210
  • Luigi0210
Well I guess I should back off..
Mertsj
  • Mertsj
|dw:1377653239748:dw|
Mertsj
  • Mertsj
cot = side adj/side opp=1/sqrt3=sqrt3/3
anonymous
  • anonymous
Hold on I'm confused. How do I label the secant θ = 2 first?
Mertsj
  • Mertsj
secant = hypotenuse/adjacent=2/1
Mertsj
  • Mertsj
Use Pythagorean Theorem to find missing side.
anonymous
  • anonymous
It would be.. \[\sqrt{2}\]
Mertsj
  • Mertsj
You mean that 4-1=2 ?????
anonymous
  • anonymous
OHH oops. \[\sqrt{3}\]
Mertsj
  • Mertsj
|dw:1377653716721:dw|
anonymous
  • anonymous
So the final answer is cot θ = 1/\[\sqrt{3}\]
anonymous
  • anonymous
How do I know where to put the θ when labeling ?
Mertsj
  • Mertsj
At the risk of being repetitive: cot = side adj/side opp=1/sqrt3=sqrt3/3
Mertsj
  • Mertsj
Theta must have the function value indicated. You choose an angle to be theta and then label the sides accordingly.
anonymous
  • anonymous
Thank you!

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