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Algebra 2 Ch. 12
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Right Triangle Sine
Sin = opp/hyp
Right Triangle Cos
Cos = adj/hyp
Right Triangle Tan
Tan = Opp/Adj
Right Triangle Cosecant
csc = hyp/opp
Right Triangle secant
sec = hyp/adj
Right Triangle cotangent
cot = adj/opp
Degrees to Radian
Radian to Degree
Arc Length
S=r⊖
Angle Pythagorean Theorem
Height (h) for Area of a Triangle
c sin A
Area of Triangle
A = 1/2 b(c sin A)
Law of Sines
Angle sin
sin=y/r
Angle cos
cos=x/r
Angle tan
tan=y/x
Angle cosecant
csc = r/y
Angle cosine
sec=r/x
Angle cotangent
cot = x/y
<A Acute
a<h
no solution
<A Acute
a=h
1 solution
<A Acute
h<a<b
2 solution
<A Acute
a >= b
1 solution
<A Obtuse
a<b
no solution
<A Obtuse
a>b
1 solution
Law of cosines
a
2
= b
2
+ c
2
- 2bc cos
A
b
2
= a
2
+ c
2
- 2ac cos
B
c
2
= a
2
+ b
2
- 2ab cos C
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Author
treats101
ID
319917
Card Set
Algebra 2 Ch. 12
Description
Algebra 2 Ch. 12
Updated
2016-05-09T02:00:15Z
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