Mathway | Problemi più comuni

Problemi più comuni

Livello	Argomento	Problema	Problema formattato
10801	Semplificare	sin(arctan(x)-arctan(y))	$\sin (\arctan (x) - \arctan (y))$
10802	Semplificare	sin(b)csc(b)	$\sin (b) \csc (b)$
10803	Semplificare	sin(arccsc(x))	$\sin (arccsc (x))$
10804	Semplificare	sin(arcsin(3/5))	$\sin (\arcsin (\frac{3}{5}))$
10805	Semplificare	sin(arcsin(x))+arccos(x)	$\sin (\arcsin (x)) + \arccos (x)$
10806	Semplificare	sin(arcsin(1/2))	$\sin (\arcsin (\frac{1}{2}))$
10807	Semplificare	sin(arctan(-3/4))	$\sin (\arctan (- \frac{3}{4}))$
10808	Semplificare	sin(arctan(4x)-arccos(x))	$\sin (\arctan (4 x) - \arccos (x))$
10809	Semplificare	sin(arccot(3x))	$\sin (arccot (3 x))$
10810	求解x	x=14.1/(cos(75))	$x = \frac{14.1}{\cos (75)}$
10811	求解x	x(x-4)>0	$x (x - 4) > 0$
10812	求解x	tan(x)=-2/5	$\tan (x) = - \frac{2}{5}$
10813	求解x	sin(x+pi/3)=( radice quadrata di 2)/2	$\sin (x + \frac{π}{3}) = \frac{\sqrt{2}}{2}$
10814	求解x	tan(x)+( radice quadrata di 3)/(tan(x))<1+ radice quadrata di 3	$\tan (x) + \frac{\sqrt{3}}{\tan (x)} < 1 + \sqrt{3}$
10815	求解x	tan(x)=tan(pi/5)	$\tan (x) = \tan (\frac{π}{5})$
10816	求解x	tan(2x) = square root of 3	$\tan (2 x) = \sqrt{3}$
10817	求解x	tan(x)+3=0	$\tan (x) + 3 = 0$
10818	求解x	sin(2x)sin(x)=cos(x)	$\sin (2 x) \sin (x) = \cos (x)$
10819	求解x	sin(40)=x/33	$\sin (40) = \frac{x}{33}$
10820	求解x	sin(x)+0.432=0	$\sin (x) + 0.432 = 0$
10821	求解x	sin(x)+2sin(2x) = square root of x	$\sin (x) + 2 \sin (2 x) = \sqrt{x}$
10822	求解x	sin(x)=1/x-1	$\sin (x) = \frac{1}{x} - 1$
10823	求解x	sin(x)=9/11	$\sin (x) = \frac{9}{11}$
10824	求解x	sec(x)-sec(x)sin(x)^2=cos(x)	$\sec (x) - \sec (x) \sin^{2} (x) = \cos (x)$
10825	求解x	sin((7pi)/6)+sin(2((7pi)/6))=(sin(x)+sin(2x)((7pi)/6))	$\sin (\frac{7 π}{6}) + \sin (2 (\frac{7 π}{6})) = (\sin (x) + \sin (2 x) (\frac{7 π}{6}))$
10826	求解x	logaritmo di 5x+ logaritmo di x-2=2	$\log (5 x) + \log (x - 2) = 2$
10827	求解x	logaritmo di -5x = logaritmo di 10-3x	$\log (- 5 x) = \log (10 - 3 x)$
10828	求解x	cos(4x)=-1/2	$\cos (4 x) = - \frac{1}{2}$
10829	求解x	cos(5x)=-1/2	$\cos (5 x) = - \frac{1}{2}$
10830	求解x	5csc(x)-3=2	$5 \csc (x) - 3 = 2$
10831	求解x	9(5x-2)=45	$9 (5 x - 2) = 45$
10832	求解x	4e^(x^2)=9	$4 e^{x^{2}} = 9$
10833	求解x	5x^2-3x-17=0	$5 x^{2} - 3 x - 17 = 0$
10834	求解x	6x+2=8x-14	$6 x + 2 = 8 x - 14$
10835	求解x	cot(3x)<0	$\cot (3 x) < 0$
10836	求解x	cos(x)=-( radice quadrata di 3)/2	$\cos (x) = - \frac{\sqrt{3}}{2}$
10837	求解x	cos(x)=8/18	$\cos (x) = \frac{8}{18}$
10838	求解x	4 logaritmo naturale di 3x=12	$4 \ln (3 x) = 12$
10839	求解x	4x-18>2	$4 x - 18 > 2$
10840	求解x	5sin(x)+3=4	$5 \sin (x) + 3 = 4$
10841	求解x	6cos(x)^2+cos(x)=1	$6 \cos^{2} (x) + \cos (x) = 1$
10842	求解x	7cos(x)^2+14cos(x)+7=0	$7 \cos^{2} (x) + 14 \cos (x) + 7 = 0$
10843	求解x	9x^2-4x-2=0	$9 x^{2} - 4 x - 2 = 0$
10844	求解x	tan(x)=-7	$\tan (x) = - 7$
10845	求解y	25=y^2	$25 = y^{2}$
10846	求解y	10^y=3	$10^{y} = 3$
10847	求解x	tan(x) = square root of 3/2	$\tan (x) = \sqrt{\frac{3}{2}}$
10848	求解x	x+5cos(x)=0	$x + 5 \cos (x) = 0$
10849	求解y	logaritmo di (81)^y< logaritmo di (27)^(y+3)	$\log ({(81)}^{y}) < \log ({(27)}^{y + 3})$
10850	求解y	cos(27)=5/y	$\cos (27) = \frac{5}{y}$
10851	求解y	y=-2\|x\|	$y = - 2 \| x \|$
10852	求解y	-3(y+4)+25=3(5-y)	$- 3 (y + 4) + 25 = 3 (5 - y)$
10853	求解y	y=0.6(3^-2)	$y = 0.6 (3^{- 2})$
10854	求解y	y=3sin(0)	$y = 3 \sin (0)$
10855	求解y	y=sin(arctan(-8))	$y = \sin (\arctan (- 8))$
10856	求解z	3^2+4^2=z^2	$3^{2} + 4^{2} = z^{2}$
10857	求解z	z=i^59	$z = i^{59}$
10858	求解x	\|x/3+2\|=2	$\| \frac{x}{3} + 2 \| = 2$
10859	求解x	(x^2-6x+9)/(x-5)=0	$\frac{x^{2} - 6 x + 9}{x - 5} = 0$
10860	求解x	\|3x-6\|+4=22	$\| 3 x - 6 \| + 4 = 22$
10861	求解x	\|7x+14\|=35	$\| 7 x + 14 \| = 35$
10862	求解x	x^2+8x>-12	$x^{2} + 8 x > - 12$
10863	求解x	7x-7y=12	$7 x - 7 y = 12$
10864	求解x	7-(3x-1)/2=-3/4	$7 - \frac{3 x - 1}{2} = - \frac{3}{4}$
10865	求解n	n^2-4n+4>0	$n^{2} - 4 n + 4 > 0$
10866	求解x	2y+4x=6y+4x	$2 y + 4 x = 6 y + 4 x$
10867	求解x	5x+2=9x+6	$5 x + 2 = 9 x + 6$
10868	求解x	3\|x+8\|+3=18	$3 \| x + 8 \| + 3 = 18$
10869	求解x	-7x+3<24	$- 7 x + 3 < 24$
10870	Rappresentare Graficamente il Segmento di Retta	(3/4,0) , (0,5/8)	$(\frac{3}{4}, 0)$ , $(0, \frac{5}{8})$
10871	Moltiplicare	(11x-7y)(10x-8y)	$(11 x - 7 y) (10 x - 8 y)$
10872	Moltiplicare	(3i+j)*(i+3j)	$(3 i + j) \cdot (i + 3 j)$
10873	Moltiplicare	(7v-5x-3)(6v-2)	$(7 v - 5 x - 3) (6 v - 2)$
10874	Moltiplicare	(5x+3y)(5x-3y)	$(5 x + 3 y) (5 x - 3 y)$
10875	Moltiplicare	(-5.37/3)*32.7/12.7	$(- \frac{5.37}{3}) \cdot \frac{32.7}{12.7}$
10876	Moltiplicare	((2x)/(3y))((9y)/(4x^2))	$(\frac{2 x}{3 y}) (\frac{9 y}{4 x^{2}})$
10877	Moltiplicare	(-13+13i)(-3-3i)	$(- 13 + 13 i) (- 3 - 3 i)$
10878	Moltiplicare	(-3x)(4x-1)	$(- 3 x) (4 x - 1)$
10879	Rappresentare Graficamente il Segmento di Retta	(3,-2) , (-5,7)	$p (3, - 2)$ , $q (- 5, 7)$
10880	Moltiplicare	2p(3000)^2(1000)^2	$2 p {(3000)}^{2} {(1000)}^{2}$
10881	Moltiplicare	50*pi/180	$50 \cdot \frac{π}{180}$
10882	Moltiplicare	6*(7 radice quadrata di 37)/37	$6 \cdot \frac{7 \sqrt{37}}{37}$
10883	Moltiplicare	700*180	$700 \cdot 180$
10884	Moltiplicare	2p*1/2	$2 p \cdot \frac{1}{2}$
10885	Moltiplicare	-8i*(3i)	$- 8 i \cdot (3 i)$
10886	Moltiplicare	pi/2(rad)	$\frac{π}{2} \cdot (r a d i a n s)$
10887	Moltiplicare	2(y-5)=16	$2 (y - 5) = 16$
10888	Moltiplicare	((5r^2s)/(2t^3))^-1((8rs^3)/(7t^2))	${(\frac{5 r^{2} s}{2 t^{3}})}^{- 1} (\frac{8 r s^{3}}{7 t^{2}})$
10889	Moltiplicare	(125x^6)^(2/3)	${(125 x^{6})}^{\frac{2}{3}}$
10890	Moltiplicare	(x-y)(y-x)	$(x - y) (y - x)$
10891	Moltiplicare	((a^2)/(b^3))^-3	${(\frac{a^{2}}{b^{3}})}^{- 3}$
10892	Moltiplicare	(x+5)(x+9)	$(x + 5) (x + 9)$
10893	Moltiplicare	(x+yi)(x-yi)	$(x + y i) (x - y i)$
10894	Moltiplicare	(r-5)(2r+7)	$(r - 5) (2 r + 7)$
10895	Moltiplicare	(7+ radice quadrata di 10)(7+ radice quadrata di 10)	$(7 + \sqrt{10}) (7 + \sqrt{10})$
10896	Semplificare	( radice quadrata di 6(cos(120)+isin(120)))^4	${(\sqrt{6} (\cos (120) + i \sin (120)))}^{4}$
10897	Semplificare	(((v-7)(v+8))/((v+8)(v-10)))/(1/(v-10))	$\frac{\frac{(v - 7) (v + 8)}{(v + 8) (v - 10)}}{\frac{1}{v - 10}}$
10898	Semplificare	((t+1)(t^2-1))/((t-1)(t+1)^2)	$\frac{(t + 1) (t^{2} - 1)}{(t - 1) {(t + 1)}^{2}}$
10899	Semplificare	( radice quadrata di 14(cos(120)+i*sin(120)))^4	${(\sqrt{14} (\cos (120) + i \cdot \sin (120)))}^{4}$
10900	Semplificare	( radice quadrata di 14(cos(85)+isin(85)))^6	${(\sqrt{14} (\cos (85) + i \sin (85)))}^{6}$