Math

The flashcards below were created by user benmfox on FreezingBlue Flashcards.

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

Author

ID

100190

Card Set

Math

Description

Trig

Updated

2011-09-07T01:35:00Z

Show Answers