Lists the basic tr.nometric iden.ies, and specifies the set of trig iden.ies to keep track of, as being the most useful ones for calculus..Various iden.ies and properties essential in tr.nometry. Iden.ies. tan x = sin x/cos x, equation 1. cot x = cos x/sin x, equation 2. sec x = 1/cos x, equation 3..Tan x y = tan x tan y / 1 tan x tan y . sin 2x = 2 sin x cos x. cos 2x = cos^2 x  sin^2 x = 2 cos^2 x  1 = 1  2 sin^2 x . tan 2x = 2 tan x / 1  tan^2 x ..USEFUL TR.NOMETRIC IDEN.IES. Definitions tanx = sinx cosx secx = 1 cosx cosecx = 1 sinx cotx = 1 tanx. Fundamental trig iden.y. cosx . 2. + sinx . 2..
Tr.nometric functions, iden.ies, formulas and the sine and cosine laws are presented..Just as the points cos t, sin t form a circle with a unit radius, the points cosh t, sinh t form the right half of the equilateral hyperbola.The hyperbolic functions take a real argumented a hyperbolic angle.The size of a hyperbolic angle is twice the area of its hyperbolic sector.The hyperbolic functions may be defined in terms of the of a .Bill Legend born William Arthur Fifield, , Barking, Es. is an English musician and former drummer for glam rock band T. Rex during their most successful period Biography. One of three children, Legend worked as a commercial artist after leaving school, while the drums in a variety of bands..Grade 12  Advanced Functions . Exam . Unit 1: Polyno.l Functions . Polyno.l Expression has the form:; a n x n +a n1 x n1 +a n2 x n1 + + a + a + a 1 x+ a 0. n: whole number; x: variable; a: coefficient X ER; Degree: the highest exponent on variable x, which is n.; Leading Coefficient: a n x n; Power Functions: y = a*x n , n .
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