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Sum of angles in a Triangle
180
Complementary Angle
total 90 degrees
Supplementary Angle
total 180 degrees
Acute Angle
>0 but < 90
Obtuse Angle
Strait Angle
Right Angle
45-45-90 Triangle
1. the two legs are equal
2. Hypotenuse is
the lengh of either side
30-60-90 Triangle
1. longer leg is sqrt.3 times lengh of shorter leg
2.hypotenuse is 2 timeslenght of shorter leg
Equilaterial Triangle
equal sides
Isoscoles Triangle
Scalene Triangle
no equal sides
the 6 trig function names
sine cosine tangent
recipricals
cosecant secant cotangent
sin= cos= tan=
sin= y/r cos=x/r tan= y/x
csc= sec= cot=
csc= r/y sec= r/x cot= x/y
Sin 0 degrees
0
Sin 30 degrees
1/2
Sin 45 degrees
sqrt 2/2
Sin 60 degrees
sqrt 3/2
Sin 90 degrees
1
Cos 0 degrees
1
cos 30 degrees
sqrt 3/2
cos 45 degrees
sqrt 2/2
Cos 60 degrees
1/2
cos 90 degrees
0
Tan 0 degrees
0
tan 30 degrees
1/ sqrt 3
tan 45 degrees
1
tan 60 degrees
sqrt 3
tan 90 degrees
undefined
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Author
switch2002
ID
194862
Card Set
Trig
Description
Trig
Updated
2013-02-09T21:44:10Z
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