# Shared Flashcard Set

## Details

Trigonometric Formulas
Trig
28
Mathematics
Not Applicable
02/07/2005

Term
 secX
Definition
 1/cosX
Term
 cscX
Definition
 1/sinX
Term
 cotX
Definition
 1/tanX
Term
 sin(-X)
Definition
 -sinX
Term
 csc(-X)
Definition
 -cscX
Term
 tan(-X)
Definition
 -tanX
Term
 cos(-X)
Definition
 cosX
Term
 sec(-X)
Definition
 secX
Term
 cot(-X)
Definition
 -cotX
Term
 sin^2X + cos^2X
Definition
 1
Term
 1 + tan^2X
Definition
 sec^2X
Term
 1 + cot^2x
Definition
 csc^2x
Term
 sinX
Definition
 cos(90-x)
Term
 cosX
Definition
 sin(90-x)
Term
 tanx
Definition
 cot(90-x)
Term
 cotx
Definition
 tan(90-x)
Term
 secX
Definition
 csc(90-x)
Term
 cscX
Definition
 sec(90-x)
Term
 cos(A + B)
Definition
 cosAcosB-sinAsinB
Term
 cos(A-B)
Definition
 cosAcosB+sinAsinB
Term
 sin(A + B)
Definition
 sinA cosB + cosA sinB
Term
 sin(A-B)
Definition
 sinA cosB - cosA sinB
Term
 tan(A+B)
Definition
 tanA + tanB------------1 - tanAtanB
Term
 tan(A-B)
Definition
 tanA - tanB------------1+tanAtanB
Term
 sin2A
Definition
 2 sinA cosA
Term
 cos2A
Definition
 cos^2A - sin^2A = 1-2sin^2A = 2 cos^2A-1
Term
 tan2A
Definition
 2 tan A--------1 - tan^2A
Term
 sin A/2
Definition
 +/- sq. root (1 - cosA /2)
Supporting users have an ad free experience!