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[DOC File]Ekstrēmu uzdevumu risināšanas metodes
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2. Noteikt funkcijas a) f(x)=sin2x-3sinx mazāko vērtību, b) f(x)=sinx-cos2x-1 mazāko vērtību, c) f(x)=4sinx-cos2x+4 lielāko vērtību, d) f(x)=2cos2x-cosx-1 mazāko vērtību, e) f(x)=cos2x+3sinx+4 lielāko un mazāko vērtību, f) f(x)=sin2x+cosx- lielāko un mazāko vērtību. 3. …
2cos x 3sinx 0

[DOCX File]Math is Easy and Fun | Berbagi dan Diskusi Matematika SMA
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Luas daerah parkir 1.760 m2. Luas rata-rata untuk mobil kecil 4 m2 dan mobil besar 20 m2. Daya tampung maksimum hanya 200 kendaraan. Biaya parkir mobil kecil Rp. 1000,00/ jam dan mobil besar Rp. 2000,00/ jam. Jika dalam 1 jam terisi penuh dan tidak ada kendaraan yang pergi datang, penghasilan maksimum tempat parkir adalah ...
solve 3 sinx 1 cos2x

[DOC File]ĐỀ KIỂM TRA HỌC KỲ I
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1/ 2sin( 3x + 250 ).cos( 3x + 250 ) = -1 2/ cos2x + 3sinx - 2 = 0. 3/ Bài 2 (0,75điểm ) Tìm giá trị lớn nhất và giá trị nhỏ nhất của hàm số : Bài 3 ( 1, 5 điểm ) 1/ Tìm hệ số của số hạng chứa x 33 trong khai triển biểu thức ( 3x3 – x )15 .
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[DOC File]Chuyên đề - LUYỆN THI CHẤT LƯỢNG CAO MÔN TOÁN
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4(sin3x(cos2x)=5(sinx(1) (Đ. H Luật Hà Nội) ĐS: với . sinx(4sin3x+cosx =0 (ĐH Y Hà Nội) ĐS: .; (Học Viện BCVT) ĐS: sin3x.cos3x+cos3x.sin3x=sin34x. HD: sin2x.sinx.cos3x+cos2x. cosx.sin3x=sin34x ĐS: . ĐS: HD: Chia hai vế cho cos3x ĐS: x = , 2sinx(1+cos2x)+sin2x=1+2cosx. HD: Đưa về cung x …
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[DOC File]KURIA EAST DISTRICT SECONDARY SCHOOLS JOINT …
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121/2 MATHEMATICS PAPER 2 – MARKING SCHEME 1 No. Std form Log (0.0246)2 (2.46 x 10-2)2 2.3909
solve 2cos x 3sinx 0

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Mar 31, 2010 · (a) sinx + 2cosx = 0 (b) sin2x = cos3x (c) cos2x + 3sinx = 3 (d) 2sinx + cosx = 1 (Hint: sin2x + cos2x ( 1) 11. Let x = 54o. (a) Prove that cos2x + sin3x = 0 (b) Prove that sin3A = 3sinA ( 4sin3A (where A is any real number). (c) Prove that sin54o is a root of 4y3 + 2y2 ( 3y ( 1 = 0 (d) Hence, or otherwise, express sin54o in surd form. 12.
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[DOC File]Мета: Сприяти виробленню у учнів навичок і вмінь розв ...
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Cos2x + 3Sinx = 3 (1- Sin2x) + 3Sinx – 3 = 0 – Sin2x +3Sinx – 2 = 0. Sin2x – 3Sinx + 2 = 0. Нехай Sinx = a, тоді. a2 – 3a + 2 = 0. За теоремою Вієта: a1=2; a2= – 1. Sinx = 2 x- не існує. Sinx= 1. x= Відповідь: x= Група В
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5cosx – 3sinx = Rcos x cos α – R sin x sin α ... (1 – cos2x) – 2cos2x. 3sin 2x = 2 – 2cos2x – 2cos2x. 3sin 2x + 4cos2x = 2 Rearranges to give correct result A1 AG 3 (c) 3sin 2x + 4cos 2x = R cos(2x – α) 3sin2x + 4cos2x = Rcos2xcosα + Rsin2xsinα ...
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[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

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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 ...
solve 3 sinx 1 cos2x

Cos2x 3sinx 1