Six Weeks Test Review

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Six Weeks Test Review
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For the purposes of this presentation...
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Assume that triangles which appear to be right
triangles are.
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Assume that lines that appear to be perpendicular
are.
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The Trig Ratios
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Which ratio is The opposite leg over the
hypotenuse?
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The Sine Ratio
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Which ratio is The adjacent leg over the
hypotenuse?
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The Cosine Ratio
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What makes up the tangent ratio?
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The opposite leg over the adjacent leg
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Set Up the Trig ratio to find x
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20
28o
x
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Cos 28x/20
20
28o
x
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Cos 28x/20
20
28o
X17.66
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x
9
50o
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Sin 50 9/x
x
9
50o
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Sin 50 9/x
X11.75
9
50o
19
21
x
32
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Tan x 21/32
21
x
32
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Tan x 21/32
X 33.27
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x
32
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88o
x
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88o
X88o
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10
x
25
10
X10
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x
25 o
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X50 o
25 o
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100 o
x
60 o
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100 o
X80 o
60 o
30
x
130 o
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X50 o
130 o
32
x
30 o
130 o
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X50 o
x
30 o
130 o
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2
3
4
x
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2
3
4
X6
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40 o
x
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40 o
x
X 40 o
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The End! Good Luck on the Test!