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Ãëàâíàÿ Ñëó÷àéíàÿ ñòðàíèöà Êîíòàêòû | Ìû ïîìîæåì â íàïèñàíèè âàøåé ðàáîòû! | |
È 15 (Íàéäèòå ýòè ÷èñëà)
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2190●x≠–9
2190225●19/40.
2191719●15/19 (x+2/19=17/19)
2192127●–3
2193721201144●1
2194290●(–4;2)
219433523.. ●1·2/15
219433525110●9*2/15
22●0
22●0 (√õ–√2/õ–2 íàéá çíà÷)
22●0,25;4
22●0,5 |√x/2=x²/√x|
22●a={0;2} {õ²+ó²=à, õ-ó=à
22●(0;2) |{õ²+ó²=à õ–ó=à|
22●(0;4) {x+y/2=2
22●(0;5) {√2–õ=õ
22●(0;5) (√2-x=x)
22●(1;∞) |ó=log2(x²–x)+lgx|
22●(1; 1)
22●1 |cos2α+sin²α|
22●1 (sin²α+cos²α)
Âïèñ îêðóæí)
22●–1 {cos2 α,åñëè α=π/2
22●–1 {a=π/2, îíäà cos2a
22●–1 |sin 2α–(sinα+cosα)²|
22●1 {sinαcosβ+cosαsinβ)²+cosαcosβ–sinαsinβ)²
22●1 |(sinαcosβ+cosαsinβ)²+(sinαcosβ–cosαsinβ)²|
22●1 {cosπ/2-sin3π/2
22●1 (sinα–cosα)²+2sinαcosα
22●1(α≠π/2+πn) |cos2α+tgα·sin2α|
22●1+sin2x•sin2y |cos²(x–y)+sin²(x+y)=?|
22●±1 |y=–x²+2lnx|
22●[1;∞) f(x)=log2(log2x)
22●1;2
22●π/2 |y=sin2x•cos2x|
22●[-1;2]
22●(–∞;2] |x–2|=2–x
22●1/3 |ó=õ–õ², ó=õ²–õ|
22●1/3 |ó=õ², õ=ó²|
22●1 1/3. |ïëîù ôèãóðû y=2x–x|
22●1 1/3 |Âû÷ ïëîù ôèãóðû ó=õ², ó=2õ|
22●–1/5 | cos²x–cosx•sinx, tgx=2 |
22●2π |y=sin2x+tg x/2|
Øåíáåð ðàä)
Íàéäèòå ðàä îïèñ îêðóæ)
22●√2cosx |sin(π/2+x)+sin(π/2–x)=?|
22●2 {tg(–α)ctg(–α)+cos²(–α)+sin²α
22●2 {å²∫å 2dx/x
22●2 (sinα+cosα)²+(sinα–cosα)²
22●–2;1 2=|õ²+õ|
22●(–2;2] |–2<x≤2|
22●[–2;2] {y=2sinx+cos²x
22●[–√2;0] {y=–√2–x²
22●[–√2;√2] {y=(sinx+cosx)2
22●–2;1 2=|õ2+õ|
22●2x²/x–a. |a+x–a²+x²/a–x|
22●2 |√õ²–2=√õ|
22●2(e x/2–1/4cos2x)+C |y(x)=e x/2+sin2x|
22●2ex–1/x•ln2 |y(x)=2ex–log2x|
22●2x•(2xln2–1)/4x√x
22●[–2; 1]–{0} |f(x)=√log(2–x/x²)|
22●(x–a)(x+ay).
22●–x+a/x.
Ñì (ñòîðîíà êâàäð)
22●õ2+2õó+ó2–4
22●πk,k*Z |sin2x=2sinx|
22●πk, k*Z, arctg2+πn, n*Z |tg²x=2tgx|
22●4πn≤x≤2π+4πn, n*Z |y=2+√sin x/2|
22●õ=π/2+πn, n*Z | y=2x+sin2x |
22●a•b/2c (a•b/c)
22●–45î
22●x4–y4 {(x–y)(x+y)(x²+y²)
22●4 {(a/b+b/a)²–(a/b–b/a)²
Sin3x
22●2cos 4x |f(x)=sin2x•cos2x|
22●3/a+b
22●a+b (a²–b²)/(a–b)
22●a–b {a²–b²/a+b
22●(–∞;–4]U[0;+∞) {|x+2|≥2.
22●(–∞; 0) U (1; ∞) |õ² ∫ õ 2dt>0|
22●{0;2}
22●π/3+4πn≤x≤5π/3+4πn, n*Z
22●±π/4+2πn,n*Z |cosx=√2/2|
22●±π/4+2πn,n*Z |2cosx=√2|
22●±π/4+2πk,πn,n,k*Z | sin2x=√2sinx |
22●π/4+πn,n*Z |cos2x=√2(cosx–sinx)|
22●2πn; π/6+2πn/3
22●1/3 (y=x–x²,y=x²–x)
22●1+4/x²
22●45° {arcsin(√2/2)
22●–45° {arcsin(–√2/2)
22●45° {arccos(√2/2)
22●135° {arccos(–2√2)
22●4,5 {ó=õ2,ó=2–õ
22●a+b
22●õ4–ó4 (õ–ó)(õ+ó)(õ²+ó²)
22●a4+b4+6a²b²+4a³b+4ab³ |((a+b)²)²|
22●a+x/x |a²/ax–x²+x/x–a|
22●a/xy-a²
22●ax |a²x–ax²/a–x|
22●2à/b |2a–b/a•(a/2a–b+a/b)|
22●2(ex/2–1/4cos2x)+C {y(x)=ex/2+sin2x
22●1–sin x*sin2x/sin x
22●2
22●√2 |f(x)=sin2x/√2, f(x)=?|
22●√2 |y=sin2x/√2. f(π)|
22●–2;0 (–∞;–1) (–1;∞) |ó=–õ²–2õ|
22●–2;2 á)(–∞;0),(0;∞) â)æîê |ó=õ/2–2õ íóëè îñó êåìó|
22●64/15π (Îáúåì òåëà ó=2õ, ó=õ²)
22●3/5 |cos2α, ctgα=–2|
 ìîìåíò âðåìÿ)
22●2ex–1/x•ln2 | y(x)=2ex–log2x |
22●7/3
22●4πn(π/8+α/2)sin(α/2-π/8)
Y= 2+√sinx/2●●●4πn«x«2π+4πn.n*z
22●cos α/2 {cosαcos α/2+sinαsin α/2
22●–sin x/2
22●–sin α
22●√x+√y/ √x-√y
22●x²(1-lnx)-2(1+lnx)/(x2-2)²
N
Ab
22●x²–x²lnx–2lnx–2/(x–2)² | f(x)=xlnx/x²–2 |
22●(–1)n+1 π/4+πn; n*Z |sinx=–√2/2|
22●(1;∞) {y=log2(x2-x)+lgx
22●(a–b)(x²+x–1)
22●(a–c)(x²–x–1)
22●[–3π/4+2πn, 3π/4+2πn],n*Z (cosx≥–√2/2)
22●[–5π/4+2πn, π/4+2πn],n*Z (sinx≤√2/2)
22●1 |√2–x²=x|
22●–1 |√2–x²=–x|
22●3π/4 |arccos(–√2/2)|
Äàòà ïóáëèêîâàíèÿ: 2014-11-03; Ïðî÷èòàíî: 281 | Íàðóøåíèå àâòîðñêîãî ïðàâà ñòðàíèöû | Ìû ïîìîæåì â íàïèñàíèè âàøåé ðàáîòû!
