Mathway | Problemi più comuni

Problemi più comuni

Livello	Argomento	Problema	Problema formattato
13601	求解x	cos(x)-cos(2x)=0	$\cos (x) - \cos (2 x) = 0$
13602	求解x	cos(x)-cot(x)=0	$\cos (x) - \cot (x) = 0$
13603	求解x	cos(x-90)-cos(x+90)=2sin(x)	$\cos (x - 90) - \cos (x + 90) = 2 \sin (x)$
13604	求解x	cot(pi/2-x)=tan(x)	$\cot (\frac{π}{2} - x) = \tan (x)$
13605	求解x	cos(xy)=x^2-3y	$\cos (x y) = x^{2} - 3 y$
13606	求解x	cot(x/3)=( radice quadrata di 3)/3	$\cot (\frac{x}{3}) = \frac{\sqrt{3}}{3}$
13607	求解x	cos(x+pi/6)-1=cos(x-pi/6)	$\cos (x + \frac{π}{6}) - 1 = \cos (x - \frac{π}{6})$
13608	求解x	cos(x-pi/6)=1+cos(x+pi/6)	$\cos (x - \frac{π}{6}) = 1 + \cos (x + \frac{π}{6})$
13609	求解x	cos(x-2)sin(x)cos(x)=0	$\cos (x - 2) \sin (x) \cos (x) = 0$
13610	求解x	cos(x+2)=sin(3x)	$\cos (x + 2) = \sin (3 x)$
13611	求解x	cot(x)+cos(x)=0	$\cot (x) + \cos (x) = 0$
13612	求解x	cot(x)+tan(x)=csc(x)sec(x)	$\cot (x) + \tan (x) = \csc (x) \sec (x)$
13613	求解x	cot(x)+tan(x)=sec(x)csc(x)	$\cot (x) + \tan (x) = \sec (x) \csc (x)$
13614	求解x	cot(x)=1/3	$\cot (x) = \frac{1}{3}$
13615	求解x	cot(x)*tan(x-1)=0	$\cot (x) \cdot \tan (x - 1) = 0$
13616	求解x	csc(x) = square root of 3	$\csc (x) = \sqrt{3}$
13617	求解x	csc(x)+cot(x) = square root of 3	$\csc (x) + \cot (x) = \sqrt{3}$
13618	求解x	csc(x)=17/8	$\csc (x) = \frac{17}{8}$
13619	求解x	csc(x)=-5/3	$\csc (x) = - \frac{5}{3}$
13620	求解x	cot(x+pi)=0	$\cot (x + π) = 0$
13621	求解x	csc(3x)=sin(3x)	$\csc (3 x) = \sin (3 x)$
13622	求解x	csc(60)=5/x	$\csc (60) = \frac{5}{x}$
13623	求解x	csc(2x)+ radice quadrata di 2=0	$\csc (2 x) + \sqrt{2} = 0$
13624	求解x	cot(-x)cos(-x)+sin(-x)=-1/(f(x))	$\cot (- x) \cos (- x) + \sin (- x) = - \frac{1}{f (x)}$
13625	求解x	cot(x)=0.5	$\cot (x) = 0.5$
13626	求解x	cot(x)=2	$\cot (x) = 2$
13627	求解x	cot(x)=2sec(x)	$\cot (x) = 2 \sec (x)$
13628	求解x	cot(x)=3	$\cot (x) = 3$
13629	求解x	cot(-x)=-cot(x)	$\cot (- x) = - \cot (x)$
13630	求解x	cot(x)=csc(2x)+cot(2x)	$\cot (x) = \csc (2 x) + \cot (2 x)$
13631	求解x	csc(x)=2.5	$\csc (x) = 2.5$
13632	求解x	f(x)+2=1/6*\|x-3\|	$f (x) + 2 = \frac{1}{6} \cdot \| x - 3 \|$
13633	求解x	fx=2cos(3x)	$f x = 2 \cos (3 x)$
13634	求解x	cos(x)=8/12	$\cos (x) = \frac{8}{12}$
13635	求解x	cos(x)=36/20	$\cos (x) = \frac{36}{20}$
13636	求解x	cos(x)=3/5	$\cos (x) = \frac{3}{5}$
13637	求解x	cos(x)=3/7	$\cos (x) = \frac{3}{7}$
13638	求解x	cos(x)=8/20	$\cos (x) = \frac{8}{20}$
13639	求解x	cos(x)=pi/3	$\cos (x) = \frac{π}{3}$
13640	求解x	cos(x)=-pi/3	$\cos (x) = - \frac{π}{3}$
13641	求解x	cos(x)=pi/4	$\cos (x) = \frac{π}{4}$
13642	求解x	cos(x) = square root of 3/2	$\cos (x) = \sqrt{\frac{3}{2}}$
13643	求解x	cos(x) = square root of 2/2	$\cos (x) = \sqrt{\frac{2}{2}}$
13644	求解x	cos(x)=x/5	$\cos (x) = \frac{x}{5}$
13645	求解x	cos(x)=x^2	$\cos (x) = x^{2}$
13646	求解x	cos(x)=0.5	$\cos (x) = 0.5$
13647	求解x	cos(x)=-0.5	$\cos (x) = - 0.5$
13648	求解x	cos(x)=0.57	$\cos (x) = 0.57$
13649	求解x	cos(x)=0.75	$\cos (x) = 0.75$
13650	求解x	cos(x)=-1/(2 radice quadrata di 21)	$\cos (x) = \frac{- 1}{2 \sqrt{21}}$
13651	求解x	cos(x)=1/3*sin(90-x)	$\cos (x) = \frac{1}{3} \cdot \sin (90 - x)$
13652	求解x	cos(x)=16/26	$\cos (x) = \frac{16}{26}$
13653	求解x	cos(x)=-4/5	$\cos (x) = \frac{- 4}{5}$
13654	求解x	cos(x)+tan(x)sin(x)=sec(x)	$\cos (x) + \tan (x) \sin (x) = \sec (x)$
13655	求解x	cos(x)=1/8	$\cos (x) = \frac{1}{8}$
13656	求解x	cos(x)=-1/( radice quadrata di 10)	$\cos (x) = - \frac{1}{\sqrt{10}}$
13657	求解x	cos(x)=0.2x	$\cos (x) = 0.2 x$
13658	求解x	cos(x)=-0.73	$\cos (x) = - 0.73$
13659	求解x	cos(x)*sin(x)=cos(x)	$\cos (x) \cdot \sin (x) = \cos (x)$
13660	求解x	cos(x)- radice quadrata di 3-3cos(x)^2=0	$\cos (x) - \sqrt{3 - 3 \cos^{2} (x)} = 0$
13661	求解x	cos(x)+ radice quadrata di 3=0	$\cos (x) + \sqrt{3} = 0$
13662	求解x	cos(x)=0.707106781	$\cos (x) = 0.70710678$
13663	求解x	cos(6x)=1	$\cos (6 x) = 1$
13664	求解x	cos(pi+x)+cos(pi+x)=1	$\cos (π + x) + \cos (π + x) = 1$
13665	求解x	cos(pi+x)+sin(x-pi/2)=1	$\cos (π + x) + \sin (x - \frac{π}{2}) = 1$
13666	求解x	cos(x)(2sin(x)+ radice quadrata di 2)=0	$\cos (x) (2 \sin (x) + \sqrt{2}) = 0$
13667	求解x	cos(pi-x)+sin(x-pi/2)=1	$\cos (π - x) + \sin (x - \frac{π}{2}) = 1$
13668	求解x	cos(51)=12x	$\cos (51) = 12 x$
13669	求解x	cos(8x)=0	$\cos (8 x) = 0$
13670	求解x	cos(45)=12/x	$\cos (45) = \frac{12}{x}$
13671	求解x	cos(4x)=-( radice quadrata di 2)/2	$\cos (4 x) = - \frac{\sqrt{2}}{2}$
13672	求解x	cos(42)=17/x	$\cos (42) = \frac{17}{x}$
13673	求解x	cos(4x)=1/2	$\cos (4 x) = \frac{1}{2}$
13674	求解x	cos(5)=92/x	$\cos (5) = \frac{92}{x}$
13675	求解x	cos(5)=x/0.25	$\cos (5) = \frac{x}{0.25}$
13676	求解x	cos(53)=x/8	$\cos (53) = \frac{x}{8}$
13677	求解x	cos(3x)=( radice quadrata di 2)/2	$\cos (3 x) = \frac{\sqrt{2}}{2}$
13678	求解x	cos(3x)=-( radice quadrata di 2)/2	$\cos (3 x) = - \frac{\sqrt{2}}{2}$
13679	求解x	cos(3x)=4cos(x)^3-3cos(x)	$\cos (3 x) = 4 \cos^{3} (x) - 3 \cos (x)$
13680	求解x	cos(40)=x/15	$\cos (40) = \frac{x}{15}$
13681	求解x	cos(42)=3x	$\cos (42) = 3 x$
13682	求解x	cos(3x)+cos(3x)=0	$\cos (3 x) + \cos (3 x) = 0$
13683	求解x	(x+1)/(x-1)=2/3	$\frac{x + 1}{x - 1} = \frac{2}{3}$
13684	求解x	(x+8)/14=1/7+(x-9)/8	$\frac{x + 8}{14} = \frac{1}{7} + \frac{x - 9}{8}$
13685	求解x	y^2-6y=-x-5	$y^{2} - 6 y = - x - 5$
13686	求解x	x^-3=64	$x^{- 3} = 64$
13687	求解x	x^3=1/3*(x(19x+14))	$x^{3} = \frac{1}{3} \cdot (x (19 x + 14))$
13688	求解x	x^3+4x^2-10x+12=0	$x^{3} + 4 x^{2} - 10 x + 12 = 0$
13689	求解x	x^2=8y	$x^{2} = 8 y$
13690	求解x	x^3+1000=0	$x^{3} + 1000 = 0$
13691	求解x	x^3+17=132	$x^{3} + 17 = 132$
13692	求解x	x^(2+12x-85)=0	$x^{2 + 12 x - 85} = 0$
13693	求解x	x^3-6x^2+3x+10=0	$x^{3} - 6 x^{2} + 3 x + 10 = 0$
13694	求解x	x^3-512=0	$x^{3} - 512 = 0$
13695	求解x	x^4-x^2-20=0	$x^{4} - x^{2} - 20 = 0$
13696	求解x	x^4-16i=0	$x^{4} - 16 i = 0$
13697	求解x	x^5-x^3=0	$x^{5} - x^{3} = 0$
13698	求解x	11sin(x)^2=11cos(x)^2	$11 \sin^{2} (x) = 11 \cos^{2} (x)$
13699	求解x	1=tan(x)- radice quadrata di 3	$1 = \tan (x) - \sqrt{3}$
13700	求解x	x^4-i=0	$x^{4} - i = 0$