Math
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sin (-x)
-sinx
cos (-x)
cosx
tan (-x)
-tanx
csc (-x)
-cscx
sec (-x)
secx
cot (-x)
-cotx
1+cot2x=
csc2x
1+tan2x=
sec2x
sin2A=
2sinAcosA
cos2A=
cos2A-sin2A
or
2cos2A-1
or
1-2sin2A
tan2A=
2tanA/1-tan2A
Area of triangle=
1/2absinC
Arithmetic means
x+y/2
geometric means
+or- the square root of xy
Card Set Information
Author:
benmfox
ID:
100190
Filename:
Math
Updated:
2011-09-07 01:35:00
Tags:
Trig
Folders:
Description:
Trig
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