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Feb 06, 2009 · F.4 Additional Mathematics Quiz (Trigonometry I) Name: _____ F.4___ ( ) 2009-02-06 Full. mark: 38. FORMULAE. 1. Let 5sin2x ( 12cos2x ( Rsin(2x ( () where R > 0 and ...
cos2x 3sinx 1

[DOC File]TÀI LIỆU ÔN THI ĐẠI HỌC
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a.2cos2x – sinx – 1 = 0 b. 2sin22x – cos2x – 1 = 0 c.cos2x + 9cosx +5 = 0 d.cos4x +7sin2x – 6 = 0 e. cos6x – 7cos3x + 4 = 0 f. cos4x +2cos2x – 3 = 0 2. Giải các phương trình lượng giác sau . a. 4sin4x +12cos2x = 7 b.2cos4x + 3sin2x – 2 = 0
2cos x 3sinx 0

[DOC File]Formulas - Math 115
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sin2x + cos2x = 1 tan2x + 1 = sec2x ctn2x + 1 = csc2x. sin(x+y) = sinx cosy + cosx siny cos(x+y) = cosx cosy - sinx siny. sin 2x = 2 sinx cosx cos 2x = cos2x - sin2x. sinx siny = cosx cosy = sinx cosy = sin2x = cos2x = y = is that angle y such that x = and . sin-1(- x) = - sin-1 x cos-1(- x) = ( - cos-1x cos-1x = - sin-1x. Hyperbolic Functions:
cos2x 2 cos x 1 0

[DOC File]A Level Mathematics Questionbanks
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b) cos2x ( 1 2sin2x B1. 3 (1 2sin2x) + sinx = 1 M1. 6sin2x sinx 2 = 0 (3sinx 2)(2sinx + 1) = 0 M1 A1. sinx = or - x = 41.8, 138.2, -30, -150 A3 (-1 eeoo) [7] 8. a) M1. M1. But sin2x + cos2x (1 …
cos2x 1 2cosx sin 2x 0

[DOC File]TUTORIAL-01 - Tripod
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P.T. between any two real roots of the equations ex sinx = 1, there is at least one root of the equation ex cos x + 1= 0 Verify Rolle’s Theorem , F(x) = log [] in (2,3) Using Lagrange’s Mean Value Theorem prove that if a < 1, b< 1 and a< b, then
2sin 2 x 2 3sinx 2 0

[DOC File]A Level Mathematics Questionbanks
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a) 6sinx cosx + cosx = 0 0o
x 3sinx 1 0

[DOC File]Chuyên đề
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Phương trình bậc hai đối với một hàm số lượng giác: là những phương trình có dạng a.sin2x+b.sinx+c=0 (hoặc a.cos2x+b.cosx+c=0, a.tan2x+b.tanx+c=0, a.cot2x+b.cotx+c=0) để giải các phương trình này ta đặt t bằng hàm số LG.. 2. Phương trình bậc nhất đối với sinx và cosx:
2cos3x cos2x 2cosx 1 0

[DOC File]Graphing Trigonometry - St. Francis Preparatory School
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For the Y-AXIS : Starting at 0, every 4 boxes is 1. (Each box is .25) Do Now: Graph y = sinx from the table above. ON GRAPH PAPER. (It should look something like this) Make sure to label everything* The sine curve is a continuous curve that passes through (0,0) y = cosx. X 0º 90º 180º 270º 360º Y 1 0 -1 0 1 (These values came directly from ...
sin 2x 2sinx 3cos 2x 1 0

[DOC File]Mark Scheme - June 2004 - Edexcel
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Eliminating : cos2x = 1 – ½ sin2x M1 Using correct formulae to form equation in sin x and cos x, or sec2 x and tan x, or sin 2x and cos 2x M1 e.g. sin2 x – sin x cos x = 0 OR 1 = A1 sin 2x cos 2x = 0 OR cos 2x + sin 2x = 1 (any form) ( sin x (sinx – cosx) = 0 OR OR R sin (2x or equiv M1
cos2x 3sinx 1

[DOC File]İZMİR FEN LİSESİ LİSE 1 MATEMATİK
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Title: İZMİR FEN LİSESİ LİSE 1 MATEMATİK Author: Hasan Korkmaz Last modified by: okul Created Date: 12/31/1987 9:27:00 PM Company: Korkmaz A.S.
2cos x 3sinx 0

Cos2x sinx 1 0