Double angle identities

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sin2x

2sinXcosX
cos2x
cos^2 X-sin^2 X
- =2cos^2 X -1
- =102sin^2 X
tan2x
- 2tanX
- ---------
- 1-tan^2 X

Author

ID

265980

Card Set

Double angle identities

Description

double angle identities

Updated

2014-03-11T15:48:14Z

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