Mathway | Problemi più comuni

Problemi più comuni

Livello	Argomento	Problema	Problema formattato
9401	求解?	x=arctan(1)	$x = \arctan (1)$
9402	求解x	tan(x-3)^2=0	$\tan^{2} (x - 3) = 0$
9403	求解x	2sin(x)^2-3cos(x)=3	$2 \sin^{2} (x) - 3 \cos (x) = 3$
9404	求解?	sec(theta)=1	$\sec (θ) = 1$
9405	求解?	cot(theta)=cos(theta)csc(theta)	$\cot (θ) = \cos (θ) \csc (θ)$
9406	求解?	12sin(theta)^2-9=0	$12 \sin^{2} (θ) - 9 = 0$
9407	求解?	tan(theta)=3	$\tan (θ) = 3$
9408	求解?	tan(x)^2+tan(x)=0	$\tan^{2} (x) + \tan (x) = 0$
9409	求解?	sin(x)^2-2sin(x)+3=0	$\sin^{2} (x) - 2 \sin (x) + 3 = 0$
9410	求解?	sin(x)^2-2sin(x)-3=0	$\sin^{2} (x) - 2 \sin (x) - 3 = 0$
9411	求解?	(tan(2x)+cot(2x))/(csc(2x))=sec(2x)	$\frac{\tan (2 x) + \cot (2 x)}{\csc (2 x)} = \sec (2 x)$
9412	求解?	sin(x)^2(1+cot(x)^2)=1	$\sin^{2} (x) (1 + \cot^{2} (x)) = 1$
9413	求解?	sin(x)^2=6(cos(x)+1)	$\sin^{2} (x) = 6 (\cos (x) + 1)$
9414	求解?	sin(x)^2=5(cos(x)+1)	$\sin^{2} (x) = 5 (\cos (x) + 1)$
9415	求解?	sin(x)^2=7(cos(-x)-1)	$\sin^{2} (x) = 7 (\cos (- x) - 1)$
9416	求解?	sin(x)^2-sin(x)-2=0	$\sin^{2} (x) - \sin (x) - 2 = 0$
9417	求解?	csc(x)^2+3cot(x)=-2	$\csc^{2} (x) + 3 \cot (x) = - 2$
9418	求解?	csc(x)^2-2=0	$\csc^{2} (x) - 2 = 0$
9419	求解?	cos(x-1)^2=0	$\cos^{2} (x - 1) = 0$
9420	求解?	sec(x)^2-2sec(x)=0	$\sec^{2} (x) - 2 \sec (x) = 0$
9421	求解?	(sec(x))/(cos(x))-(tan(x))/(cot(x))=1	$\frac{\sec (x)}{\cos (x)} - \frac{\tan (x)}{\cot (x)} = 1$
9422	求解?	csc(x)^2-4=0	$\csc^{2} (x) - 4 = 0$
9423	求解?	sec(x)^2-2=tan(x)^2	$\sec^{2} (x) - 2 = \tan^{2} (x)$
9424	求解?	2+2sin(x)=4cos(x)^2	$2 + 2 \sin (x) = 4 \cos^{2} (x)$
9425	求解?	2 radice quadrata di 2cos(x)+3=5	$2 \sqrt{2} \cos (x) + 3 = 5$
9426	求解?	2cos(x)=sec(x)	$2 \cos (x) = \sec (x)$
9427	求解?	2-2sin(x)=4cos(x)^2	$2 - 2 \sin (x) = 4 \cos^{2} (x)$
9428	求解?	2sin(x)^2- radice quadrata di 3sin(x)=0	$2 \sin^{2} (x) - \sqrt{3} \sin (x) = 0$
9429	求解?	2cos(x)^2-5cos(x)+2=0	$2 \cos^{2} (x) - 5 \cos (x) + 2 = 0$
9430	求解?	2cos(x)^2-sin(x)=1	$2 \cos^{2} (x) - \sin (x) = 1$
9431	求解?	1-(sin(x)^2)/(1-cos(x))=-cos(x)	$1 - \frac{\sin^{2} (x)}{1 - \cos (x)} = - \cos (x)$
9432	求解?	radice quadrata di 3sin(x)=cos(x)	$\sqrt{3} \sin (x) = \cos (x)$
9433	Semplificare Usando la Formula di Bisezione dell'Angolo	cos(112.5 gradi )	$2 \cos^{2} (x) (x) - \cos (x) - 1 = 0$
9434	求解?	6sin(x/2)=-6cos(x/2)	$6 \sin (\frac{x}{2}) = - 6 \cos (\frac{x}{2})$
9435	求解?	7=8.98	$7 = 8.98$
9436	求解?	6sec(x)+8=-4	$6 \sec (x) + 8 = - 4$
9437	求解?	6sin(x)-1=4sin(x)	$6 \sin (x) - 1 = 4 \sin (x)$
9438	求解?	8cos(x)^2=2	$8 \cos^{2} (x) = 2$
9439	求解?	6 radice quadrata di 2cos(x)+1=7	$6 \sqrt{2} \cos (x) + 1 = 7$
9440	求解?	5sin(x)-1=3sin(x)	$5 \sin (x) - 1 = 3 \sin (x)$
9441	求解?	5cos(2x)=5cos(x)	$5 \cos (2 x) = 5 \cos (x)$
9442	求解?	6-6sin(x)=4cos(x)^2	$6 - 6 \sin (x) = 4 \cos^{2} (x)$
9443	求解?	cos(x)*csc(x)=cot(x)	$\cos (x) \cdot \csc (x) = \cot (x)$
9444	求解?	cos(x)=(- radice quadrata di 2)/2	$\cos (x) = \frac{- \sqrt{2}}{2}$
9445	求解?	cos(x)=-3/4	$\cos (x) = - \frac{3}{4}$
9446	求解?	cos(x)=-3/5	$\cos (x) = - \frac{3}{5}$
9447	求解?	cos(x)=11/61	$\cos (x) = \frac{11}{61}$
9448	求解?	3tan(x)^3+3tan(x)^2-tan(x)-1=0	$3 \tan^{3} (x) + 3 \tan^{2} (x) - \tan (x) - 1 = 0$
9449	求解?	3sin(x)^2-sin(x)-4=0	$3 \sin^{2} (x) - \sin (x) - 4 = 0$
9450	求解?	2sin(3x)+ radice quadrata di 2=0	$2 \sin (3 x) + \sqrt{2} = 0$
9451	求解?	3sec(x)^2-4=0	$3 \sec^{2} (x) - 4 = 0$
9452	求解?	3cos(x)=1	$3 \cos (x) = 1$
9453	求解?	2sin(x)cos(x)+ radice quadrata di 3cos(x)=0	$2 \sin (x) \cos (x) + \sqrt{3} \cos (x) = 0$
9454	求解?	-2cos(3x)=1	$- 2 \cos (3 x) = 1$
9455	求解?	2csc(x)=5	$2 \csc (x) = 5$
9456	求解?	2sin(x)+1=csc(x)	$2 \sin (x) + 1 = \csc (x)$
9457	求解?	2sin(x)- radice quadrata di 2=0	$2 \sin (x) - \sqrt{2} = 0$
9458	求解?	2sec(x)+2=6	$2 \sec (x) + 2 = 6$
9459	求解?	2sin(x)+3=-csc(x)	$2 \sin (x) + 3 = - \csc (x)$
9460	求解?	3tan(x)-1=tan(x)	$3 \tan (x) - 1 = \tan (x)$
9461	求解?	3tan(1/3x)=8	$3 \tan (\frac{1}{3} x) = 8$
9462	求解?	3cos(2x)=2-sin(x)	$3 \cos (2 x) = 2 - \sin (x)$
9463	求解?	3sec(x)+1=7	$3 \sec (x) + 1 = 7$
9464	求解?	3sin(x)+5=-2sin(x)	$3 \sin (x) + 5 = - 2 \sin (x)$
9465	求解?	3-sin(x)=cos(2x)	$3 - \sin (x) = \cos (2 x)$
9466	求解?	3sin(2x)-4sin(x)=0	$3 \sin (2 x) - 4 \sin (x) = 0$
9467	求解?	4sin(x)+3 radice quadrata di 3 = radice quadrata di 3	$4 \sin (x) + 3 \sqrt{3} = \sqrt{3}$
9468	求解?	4tan(x)sin(x)-3tan(x)=0	$4 \tan (x) \sin (x) - 3 \tan (x) = 0$
9469	求解?	4cos(2x)=12cos(x)-8	$4 \cos (2 x) = 12 \cos (x) - 8$
9470	求解?	4cos(x)-2=0	$4 \cos (x) - 2 = 0$
9471	求解v	v=-5i-6j	$v = - 5 i - 6 j$
9472	求解t	v=cos(2pit)	$v = \cos (2 π t)$
9473	求解u	tan(pi/2-u)=cot(u)	$\tan (\frac{π}{2} - u) = \cot (u)$
9474	求解v	1/2v=-2i-2j	$\frac{1}{2} v = - 2 i - 2 j$
9475	求解u	sin(u)csc(u)-cos(u)^2=sin(u)^2	$\sin (u) \csc (u) - \cos^{2} (u) = \sin^{2} (u)$
9476	求解s	s=pi/2	$s = \frac{π}{2}$
9477	求解t	0.1=cos(2pit)	$0.1 = \cos (2 π t)$
9478	求解t	cos(t)=-( radice quadrata di 3)/2	$\cos (t) = - \frac{\sqrt{3}}{2}$
9479	求解t	d=4sin(8pit)	$d = 4 \sin (8 π t)$
9480	求解t	sin(t)=-1/2	$\sin (t) = - \frac{1}{2}$
9481	求解t	sin(t)=1	$\sin (t) = 1$
9482	求解t	sin(t)=5/13	$\sin (t) = \frac{5}{13}$
9483	求解t	h=32-2t-5t^2	$h = 32 - 2 t - 5 t^{2}$
9484	求解x	(x+3)^2=81	${(x + 3)}^{2} = 81$
9485	求解x	\|x^2-2x\|=3x-6	$\| x^{2} - 2 x \| = 3 x - 6$
9486	求解x	(4/3)^x=16/9	${(\frac{4}{3})}^{x} = \frac{16}{9}$
9487	求解x	(x+3)^4-16=0	${(x + 3)}^{4} - 16 = 0$
9488	求解x	( radice quadrata di 6)^(8x)=216^(x-3)	${(\sqrt{6})}^{8 x} = 216^{x - 3}$
9489	求解x	(2/7)^x=16/2401	${(\frac{2}{7})}^{x} = \frac{16}{2401}$
9490	求解x	(4/5)^x=256/625	${(\frac{4}{5})}^{x} = \frac{256}{625}$
9491	求解x	1/2* logaritmo di x+2=2	$\frac{1}{2} \cdot \log (x + 2) = 2$
9492	求解x	\|4x-3\|=17	$\| 4 x - 3 \| = 17$
9493	求解x	1/(e^x-e^(-x))=4	$\frac{1}{e^{x} - e^{- x}} = 4$
9494	求解x	10^( logaritmo di 9x+3)=4	$10^{\log (9 x + 3)} = 4$
9495	求解x	2^(3x-5)=16	$2^{3 x - 5} = 16$
9496	求解b	7pi=(2pi)/b	$7 π = \frac{2 π}{b}$
9497	求解b	1=(2pi)/b	$1 = \frac{2 π}{b}$
9498	求解B	sin(B)=(53(sin(29.2)))/27	$\sin (B) = \frac{53 (\sin (29.2))}{27}$
9499	求解B	cos(B)=4/5	$\cos (B) = \frac{4}{5}$
9500	求解B	cos(B)=10/16	$\cos (B) = \frac{10}{16}$