# Shared Flashcard Set

## Details

Pre Cal Formulas/Identities
Identities: Reciprocal, Quotient, Pythagorean, Sum. Other Formulas: Double Angle and Distance from point to line. T = theta
18
Mathematics
03/10/2009

Term
 sinx=
Definition
 1/cscx
Term
 cosx=
Definition
 1/secx
Term
 tanx=
Definition
 1/cotx
Term
 cscx=
Definition
 1/sinx
Term
 secx=
Definition
 1/cos
Term
 cotx=
Definition
 1/tanx
Term
 tanx=
Definition
 sinx/cosx
Term
 cotx=
Definition
 cosx/sinx
Term
 Pythagorean =1
Definition
 cos^2 + sin^2 = 1
Term
 Pythagorean = sec^2x
Definition
 1 + tan^2x = sec^2x
Term
 Normal Form
Definition
 xcos0 + ysin0 - p = 0
Term
 sin(A+B)=
Definition
 sinAcosB + cosAsinB
Term
 cos(A+B)=
Definition
 cosAcosB - sinAsinB
Term
 tan(A+B)=
Definition
 (tanA + tanB)/(1 - tanAtanB)
Term
 sin(2T)=
Definition
 2cosTsinT
Term
 cos(2T)=
Definition
 cos^2T - sin^2T
Term
 tan(2T)=
Definition
 (2tanT)/(1 - tan^2T)
Term
 Distance between Point/Line
Definition
 (A(x1) + B(y1) + C)/+-square root of(A^2 + B^2)
Supporting users have an ad free experience!