Objective - To use basic trigonometry to solve right triangles.

1
Objective - To use basic trigonometry to solve
right triangles.
y
c
a
x
z
b
Angle to Angle Relationships
Side to Side Relationships
Angle to Side Relationships
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sohcahtoa
y
5
3
x
4
Opposite
Sine
Hypotenuse
Adjacent
Cosine
Hypotenuse
Opposite
Tangent
Adjacent
3
sohcahtoa
y
13
5
x
12
4
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Use your trig table or calculator to find the
given trigonometric ratios rounded to nearest
thousandth.
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Using Trig Ratios to Solve Right Triangles
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Using Trig Ratios to Solve Right Triangles
Solve for the missing side.
15
3)
4)
y
x
18
8
Using Trig Ratios to Solve Right Triangles
Solve for the missing side.
5)
6)
30
14
x
y
9
Use your trig table or calculator to find the
missing angle x that has the given trig ratio.
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Using Trig Ratios to Solve Right Triangles
Solve for the missing side.
7)
8)
30
20
15
12