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Details Title: Trigonometric Formulas Description: Trig Total Flash Cards: 28 Created: 02/07/2005 20:29:06	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards 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)