Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
26001	Resolva para x	x+7y=4	$x + 7 y = 4$
26002	Resolva para x	x+x+20+210-3x=18	$x + x + 20 + 210 - 3 x = 18$
26003	Resolva para x	-x+y=10000	$- x + y = 10000$
26004	Resolva para x	x=(6*8.25)/64	$x = \frac{6 \cdot 8.25}{64}$
26005	Resolva para x	x=arccos(1/5)	$x = \arccos (\frac{1}{5})$
26006	Resolva para x	x=arccos(2.09)	$x = \arccos (2.09)$
26007	Resolva para x	x = square root of 12-4x	$x = \sqrt{12 - 4 x}$
26008	Resolva para x	x = square root of -4x+32	$x = \sqrt{- 4 x + 32}$
26009	Resolva para x	x=10 racine de e^-5	$x = \sqrt[10]{e^{- 5}}$
26010	Resolva para x	x = cube root of 1-i	$x = \sqrt[3]{1 - i}$
26011	Resolva para x	x=17-4y	$x = 17 - 4 y$
26012	Resolva para x	x=3.14(7.8)(7.8)	$x = 3.14 (7.8) (7.8)$
26013	Resolva para x	x=50cos(57)	$x = 50 \cos (57)$
26014	Resolva para x	x=cos(x)	$x = \cos (x)$
26015	Resolva para x	x = logarithme de 1/12	$x = \log (\frac{1}{12})$
26016	Resolva para x	-x-20x+3=0	$- x - 20 x + 3 = 0$
26017	Resolva para x	x-y+3z=2	$x - y + 3 z = 2$
26018	Resolva para x	y+4=3/4*(x-3)	$y + 4 = \frac{3}{4} \cdot (x - 3)$
26019	Resolva para x	y=(4/7)x	$y = (\frac{4}{7}) x$
26020	Resolva para x	y=(t)=3sin((pit)/4)	$y = (t) = 3 \sin (\frac{π t}{4})$
26021	Resolva para x	y=(x+9)+(74/(x+5))	$y = (x + 9) + (\frac{74}{x + 5})$
26022	Resolva para x	y=(x-3)(x+2)(x^2+3x-5)	$y = (x - 3) (x + 2) (x^{2} + 3 x - 5)$
26023	Resolva para x	y=1/( racine carrée de x)	$y = \frac{1}{\sqrt{x}}$
26024	Resolva para x	y=1/10*cos(3x+(3pi)/2)	$y = \frac{1}{10} \cdot \cos (3 x + \frac{3 π}{2})$
26025	Resolva para x	y=1/2*cos(4x-(2pi)/3)	$y = \frac{1}{2} \cdot \cos (4 x - \frac{2 π}{3})$
26026	Resolva para x	y=1/2*sin(3x)	$y = \frac{1}{2} \cdot \sin (3 x)$
26027	Resolva para x	y=1/2*cos(3x+2pi)	$y = \frac{1}{2} \cdot \cos (3 x + 2 π)$
26028	Resolva para x	y=-1/2*cos(x)	$y = - \frac{1}{2} \cdot \cos (x)$
26029	Resolva para x	y=1/2* logarithme de x+1- logarithme de 2x+10	$y = \frac{1}{2} \cdot \log (x + 1) - \log (2 x + 10)$
26030	Resolva para x	y=1/2*sin(x/2)	$y = \frac{1}{2} \cdot \sin (\frac{x}{2})$
26031	Resolva para x	y=1/2*sin(pi(x-1))+3	$y = \frac{1}{2} \cdot \sin (π (x - 1)) + 3$
26032	Resolva para x	y=1/3*cos(3x-pi)+2	$y = \frac{1}{3} \cdot \cos (3 x - π) + 2$
26033	Resolva para x	y=-1/4*sin(pi/4)	$y = - \frac{1}{4} \cdot \sin (\frac{π}{4})$
26034	Resolva para x	y=1/4x-3	$y = \frac{1}{4} x - 3$
26035	Resolva para x	y=15/(tan(30))	$y = \frac{15}{\tan (30)}$
26036	Resolva para x	y=2/3*cos(5x)	$y = \frac{2}{3} \cdot \cos (5 x)$
26037	Resolva para x	y=3/2*cos(2x+pi/3)	$y = \frac{3}{2} \cdot \cos (2 x + \frac{π}{3})$
26038	Resolva para x	y=3/2*sin(x-pi/3)	$y = \frac{3}{2} \cdot \sin (x - \frac{π}{3})$
26039	Resolva para x	y=3/5*sin(x/7)	$y = \frac{3}{5} \cdot \sin (\frac{x}{7})$
26040	Resolva para x	y=5/2*sin(2x+pi/2)	$y = \frac{5}{2} \cdot \sin (2 x + \frac{π}{2})$
26041	Resolva para x	y=(cos(pix))/2	$y = \frac{\cos (π x)}{2}$
26042	Resolva para x	y=arccos(-1)	$y = \arccos (- 1)$
26043	Trouver la cotangente étant donné le point	(-5,12)	$y = \arccos (3 (3 \cos (3 x)))$
26044	Resolva para x	y=e^(3 logarithme népérien de x)	$y = e^{3 \ln (x)}$
26045	Resolva para x	y=px^5-5/3x^4+6x-1	$y = p x^{5} - \frac{5}{3} x^{4} + 6 x - 1$
26046	Resolva para x	y=arcsin(-( racine carrée de 2)/2)	$y = \arcsin (- \frac{\sqrt{2}}{2})$
26047	Resolva para x	y=x/(x^2-9)	$y = \frac{x}{x^{2} - 9}$
26048	Resolva para x	tan(x)=-0.23	$\tan (x) = - 0.23$
26049	Resolva para x	tan(x)=0.8949	$\tan (x) = 0.8949$
26050	Resolva para x	tan(x)=19	$\tan (x) = 19$
26051	Resolva para x	tan(x)=4tan(x)- racine carrée de 3	$\tan (x) = 4 \tan (x) - \sqrt{3}$
26052	Resolva para x	tan(x)=9.99	$\tan (x) = 9.99$
26053	Resolva para x	tan(x/2+pi/4)=1	$\tan (\frac{x}{2} + \frac{π}{4}) = 1$
26054	Resolva para x	tan(50/20)	$\tan (\frac{50}{20})$
26055	Resolva para x	tan((7pi)/4+0)=(-cos(x)+sin(x))/(cos(x)+sin(x))	$\tan (\frac{7 π}{4} + 0) = \frac{- \cos (x) + \sin (x)}{\cos (x) + \sin (x)}$
26056	Resolva para x	tan(a/2)=-( racine carrée de 1-cos(a))/(1+cos(a))	$\tan (\frac{a}{2}) = - \frac{\sqrt{1 - \cos (a)}}{1 + \cos (a)}$
26057	Resolva para x	tan(x/2)=( racine carrée de 1-3/5)/(1+(-3/5))	$\tan (\frac{x}{2}) = \frac{\sqrt{1 - \frac{3}{5}}}{1 + (- \frac{3}{5})}$
26058	Resolva para x	tan(17)=x/7	$\tan (17) = \frac{x}{7}$
26059	Resolva para x	tan(2.4)=a/9.2	$\tan (2.4) = \frac{a}{9.2}$
26060	Resolva para x	tan(2x)+2cos(x)=0	$\tan (2 x) + 2 \cos (x) = 0$
26061	Resolva para x	tan(2x)=(2tan(x))/(1-tan(x)^2)	$\tan (2 x) = \frac{2 \tan (x)}{1 - \tan^{2} (x)}$
26062	Resolva para x	tan(20)=(a-85)/b	$\tan (20) = \frac{a - 85}{b}$
26063	Resolva para x	tan(22.4)=x/y	$\tan (22.4) = \frac{x}{y}$
26064	Resolva para x	tan(29)=3500/x	$\tan (29) = \frac{3500}{x}$
26065	Resolva para x	tan(29)=420/R	$\tan (29) = \frac{420}{R}$
26066	Resolva para x	tan(2a+40)=cot(8a-50)	$\tan (2 a + 40) = \cot (8 a - 50)$
26067	Resolva para x	tan(2x)=(sin(2x))/(cos(2x))	$\tan (2 x) = \frac{\sin (2 x)}{\cos (2 x)}$
26068	Resolva para x	tan(2x)-cot(x)=0	$\tan (2 x) - \cot (x) = 0$
26069	Resolva para x	tan(2x)-tan(x)=0	$\tan (2 x) - \tan (x) = 0$
26070	Resolva para x	tan(3x-18)=cot(2x+18)	$\tan (3 x - 18) = \cot (2 x + 18)$
26071	Resolva para x	tan(30)=12/x	$\tan (30) = \frac{12}{x}$
26072	Resolva para x	tan(32)=11/b	$\tan (32) = \frac{11}{b}$
26073	Resolva para x	tan(37)=a/175	$\tan (37) = \frac{a}{175}$
26074	Resolva para x	tan(39)=x/(25+x)	$\tan (39) = \frac{x}{25 + x}$
26075	Resolva para x	tan(41)=1700/x	$\tan (41) = \frac{1700}{x}$
26076	Resolva para x	tan(4x)+cot(4x)=2csc(8x)	$\tan (4 x) + \cot (4 x) = 2 \csc (8 x)$
26077	Resolva para x	tan(-4x)=-tan(4x)	$\tan (- 4 x) = - \tan (4 x)$
26078	Resolva para x	tan(52)=6/x	$\tan (52) = \frac{6}{x}$
26079	Resolva para x	tan(60)=x/30*30	$\tan (60) = \frac{x}{30} \cdot 30$
26080	Resolva para x	tan(7x) = square root of 3	$\tan (7 x) = \sqrt{3}$
26081	Resolva para x	tan(a)=57/82	$\tan (a) = \frac{57}{82}$
26082	Resolva para x	tan(a)=7.5/28.5	$\tan (a) = \frac{7.5}{28.5}$
26083	Resolva para x	tan(A)=78.2/42.8	$\tan (A) = \frac{78.2}{42.8}$
26084	Resolva para x	tan(a)=1.4734213	$\tan (a) = 1.4734213$
26085	Resolva para x	tan(x)(tan(x)-2)=5	$\tan (x) (\tan (x) - 2) = 5$
26086	Resolva para x	sin(x)-cos(x)=sin(x)tan(x)	$\sin (x) - \cos (x) = \sin (x) \tan (x)$
26087	Resolva para x	sin(x)cot(x)+1/( racine carrée de 2)=0	$\sin (x) \cot (x) + \frac{1}{\sqrt{2}} = 0$
26088	Resolva para x	sin(x-pi/2)=( racine carrée de 2)/2	$\sin (x - \frac{π}{2}) = \frac{\sqrt{2}}{2}$
26089	Resolva para x	sin(x+pi/4)+1=sin(pi/4-x)	$\sin (x + \frac{π}{4}) + 1 = \sin (\frac{π}{4} - x)$
26090	Resolva para x	sin(x+pi/4)=( racine carrée de 2)/2	$\sin (x + \frac{π}{4}) = \frac{\sqrt{2}}{2}$
26091	Resolva para x	sin(x+20)=cos(x)	$\sin (x + 20) = \cos (x)$
26092	Resolva para x	sin(x-y)+sin(x+y)=2sin(x)cos(y)	$\sin (x - y) + \sin (x + y) = 2 \sin (x) \cos (y)$
26093	Resolva para x	sin(y)=(150sin(150))/280	$\sin (y) = \frac{150 \sin (150)}{280}$
26094	Resolva para x	t=(9u)/(b+a)	$t = \frac{9 u}{b + a}$
26095	Resolva para x	sin(x)=-0.2936	$\sin (x) = - 0.2936$
26096	Resolva para x	sin(x)=0.7547	$\sin (x) = 0.7547$
26097	Trouver l'angle coterminal	390 degrés	$\sin (2 x) \sin (x) - \cos (2 x) \cos (x) = - \cos (x)$
26098	Resolva para x	sin(2x+ racine carrée de 3)sin(x)=0	$\sin (2 x + \sqrt{3}) \sin (x) = 0$
26099	Resolva para x	sin(2x)=-12/13	$\sin (2 x) = \frac{- 12}{13}$
26100	Resolva para x	sin(2x)=2/2	$\sin (2 x) = \frac{2}{2}$