anonymous
  • anonymous
i need help on a problem asking for the angle of elevation.. can anyone help?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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amistre64
  • amistre64
if we knew more details, maybe
anonymous
  • anonymous
|dw:1327362215523:dw|
anonymous
  • anonymous
sorry for it looking crappy

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amistre64
  • amistre64
|dw:1327362318643:dw|
amistre64
  • amistre64
looking for "a" right?
anonymous
  • anonymous
is that the angle of elevation??
amistre64
  • amistre64
yes, elevation goes up; and the other one that I cant think of the name goes down
anonymous
  • anonymous
ok then yes. i am looking for angle a
amistre64
  • amistre64
|dw:1327362394037:dw|
amistre64
  • amistre64
or something like that
amistre64
  • amistre64
sin(a) = 6.9/7.4 a = arcsin(6.9/7.4)
anonymous
  • anonymous
can i ask why u use those numbers and sin?
amistre64
  • amistre64
well, sin was just the first thing I thought of to use; and of the other trig functions would have worked just as wellwith the right numbers
amistre64
  • amistre64
sin is defined as the side over from the angle divided byt he hypotenuse of the rt tri
amistre64
  • amistre64
just so happens to be 6.9/7.4 on this problem

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