anonymous
  • anonymous
Find the value of x. Round to the nearest tenth. The diagram is not drawn to scale
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
anonymous
  • anonymous
@Opcode
anonymous
  • anonymous
@hba

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anonymous
  • anonymous
@amistre64
amistre64
  • amistre64
which trig function would you use with the information given?
anonymous
  • anonymous
wouldnt you use cosine?
amistre64
  • amistre64
start out by writing down the 3 basic trig functions for me ...
anonymous
  • anonymous
well there are sine and cosine i know for sure
amistre64
  • amistre64
good, and also tangent. how do we define them in terms of the sides of a triangle? using opposite, adjacent, and hypotenuse ...
anonymous
  • anonymous
tangent and cotangent?
anonymous
  • anonymous
in not sure to be honest
amistre64
  • amistre64
then that is what you need to work on. sin = opp/hyp cos = adj/hyp tan = opp/adj given these 3 basic trig functions, which one uses the information given?
amistre64
  • amistre64
you might wanna use words that you like :) i tend to use over, next.to, and slant becasue they sound less babbley
anonymous
  • anonymous
So this triangle i would use tangent then?
amistre64
  • amistre64
correct tan(a) = over/next.to , lets fill in whats given tan(15) = x/12 how do we move this about to get x all alone?
anonymous
  • anonymous
i have a quetion first. where and how do you get 15?
amistre64
  • amistre64
i have old eyes :) i read the 12 and 35 together and saw 15
anonymous
  • anonymous
oh ok lol so it would be tan(35)=x/12?
amistre64
  • amistre64
yes, then its just a little algebra to solve for x
anonymous
  • anonymous
so then i would multiply 12 and 35 together?
amistre64
  • amistre64
you are on the right track, but lets clarify that alittle 12 * tan(35) = x you need a table or calculator for the tan(35) part
anonymous
  • anonymous
oh ok let me see
anonymous
  • anonymous
so it would be 8.40249045851651735
anonymous
  • anonymous
and rounding to the nearest tenth would be 8.4
amistre64
  • amistre64
correct
anonymous
  • anonymous
ok so that would be x then?
amistre64
  • amistre64
lets see. 12*tan(35) = x 8.4 = x yep, im pretty sure that completes it :)
anonymous
  • anonymous
ok thank you so much would you be able to help me with one more?
amistre64
  • amistre64
prolly not, ive got a class starting soon
anonymous
  • anonymous
oh ok well thank you for your help i appreciate it!
amistre64
  • amistre64
good luck :)

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