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Hypotenuse. Adjacent Side. Teeter is the angle between Hypotenuse and Adjacent side ... Hypotenuse. Adjacent Side. Opposite. Side. tangent = Opposite Side ... – PowerPoint PPT presentation

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Title: By: Marshella


1
9.2 Right Triangle Trigonometry and Applications
  • By Marshella
  • Jose Pineda Mancia
  • Cherry Juliana Sudartono
  • Ruth Martha

2
Right Triangle
A
Hypotenuse
Opposite Side
C
B
Adjacent Side
3
Teeter is the angle between Hypotenuse and
Adjacent side
A
Hypotenuse
C
B
Adjacent Side
4
sin Opposite Side / Hypotenuse
AC CB
sin
A
Hypotenuse
Opposite Side
C
B
Adjacent Side
5
cos Adjacent Side / Hypotenuse
BC AB
cos
A
Hypotenuse
Opposite Side
C
B
Adjacent Side
6
tangent Opposite Side / Adjacent Side
AC BC
tan
A
Hypotenuse
Opposite Side
C
B
Adjacent Side
7
Problems for Sin
5
  • If we know the length of two sides, we can find
    the angle.
  • using sin. Solution sin ? 3/5
  • ? sin -1 (3/5)
  • ? 36.9

3
?
2. If we know the angle and the length of one
side, we can find the length of the other
sides. Solution sin 67.4 12/a
b 12/sin 67.4

b 13
a
12
67.4
8
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