anonymous
  • anonymous
omg please help!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
yes!
anonymous
  • anonymous
anonymous
  • anonymous
Find the exact values of the indicated trigonometric functions. Write fractions in lowest terms. Right triangle ACB is shown where segment AC is twenty eight units, segment CB is ninety six units, and segment BA is one hundred units. Find sin B and tan B.

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anonymous
  • anonymous
excuse me idont know geometry((
jim_thompson5910
  • jim_thompson5910
@DanTheMan99 with B as the reference angle, which side is the opposite side?
anonymous
  • anonymous
Soh Cah Toa
jim_thompson5910
  • jim_thompson5910
yes that will help you remember how the trig ratios are set up
jim_thompson5910
  • jim_thompson5910
which side is the opposite side if B is the reference angle?
anonymous
  • anonymous
a/c
anonymous
  • anonymous
@jim_thompson5910
jim_thompson5910
  • jim_thompson5910
A and C are angles to name a side, you need 2 points
jim_thompson5910
  • jim_thompson5910
example: the longest side is AB which is 100 units long
anonymous
  • anonymous
ohh okay, so what would i need to imput?
jim_thompson5910
  • jim_thompson5910
|dw:1449536227498:dw|
jim_thompson5910
  • jim_thompson5910
angle B is the reference angle circle or mark the opposite side of angle B click the pencil of my drawing so you can draw on it
anonymous
  • anonymous
|dw:1449536329807:dw|
jim_thompson5910
  • jim_thompson5910
just the 28 if you marked the points, then you'd have to do both A and C
jim_thompson5910
  • jim_thompson5910
which side is the hypotenuse?
jim_thompson5910
  • jim_thompson5910
mark it on the drawing for me
anonymous
  • anonymous
|dw:1449536518562:dw|
jim_thompson5910
  • jim_thompson5910
the hypotenuse is ALWAYS the longest side of the right triangle
jim_thompson5910
  • jim_thompson5910
the hypotenuse (longest side) is always opposite the right angle (largest angle)
jim_thompson5910
  • jim_thompson5910
try again
anonymous
  • anonymous
ohh so its 100
jim_thompson5910
  • jim_thompson5910
yes
anonymous
  • anonymous
|dw:1449536663901:dw|
jim_thompson5910
  • jim_thompson5910
to compute the sine of angle B, we simply divide the opposite side (AC = 28) over the hypotenuse (AB = 100) |dw:1449536732597:dw|
jim_thompson5910
  • jim_thompson5910
sin(B) = 28/100 = ???
anonymous
  • anonymous
14/50 7/25
jim_thompson5910
  • jim_thompson5910
yep, sin(B) = 7/25

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