Mathway | Problemi più comuni

Problemi più comuni

Livello	Argomento	Problema	Problema formattato
5101	求解x	3sec(x)^2-3=0	$3 \sec^{2} (x) - 3 = 0$
5102	求解x	2x-pi/2=0	$2 x - \frac{π}{2} = 0$
5103	求解x	2x+7+2x=19	$2 x + 7 + 2 x = 19$
5104	求解x	-2sin(x)^2=3sin(x)+1	$- 2 \sin^{2} (x) = 3 \sin (x) + 1$
5105	求解x	2sin(x)^2-7sin(x)+3=0	$2 \sin^{2} (x) - 7 \sin (x) + 3 = 0$
5106	求解x	2cos(x)^2+sin(x)-2=0	$2 \cos^{2} (x) + \sin (x) - 2 = 0$
5107	求解x	logaritmo in base 5 di x+1- logaritmo in base 5 di x-1 = logaritmo in base 5 di x	$\log_{5} (x + 1) - \log_{5} (x - 1) = \log_{5} (x)$
5108	求解x	logaritmo in base 3 di 2x-5=2	$\log_{3} (2 x - 5) = 2$
5109	求解x	e^(4x-5)-7=11243	$e^{4 x - 5} - 7 = 11243$
5110	Valutare	csc(-pi/4)	$\csc (- \frac{π}{4})$
5111	求解x	sin(x)^2=1/4	$\sin^{2} (x) = \frac{1}{4}$
5112	求解x	sin(x)^2=-2cos(x)+2	$\sin^{2} (x) = - 2 \cos (x) + 2$
5113	求解x	sin(x)^2+2sin(x)+1=0	$\sin^{2} (x) + 2 \sin (x) + 1 = 0$
5114	求解x	-arcsin(4x)=pi/4	$- \arcsin (4 x) = \frac{π}{4}$
5115	求θ的弧度	2cos(theta)+1=0	$\tan^{2} (x) - \sin^{2} (x) = \tan^{2} (x) \sin^{2} (x)$
5116	求解x	radice quadrata di 3csc(x-2)=0	$\sqrt{3} \csc (x - 2) = 0$
5117	求解x	30/(x^2-9)+1=5/(x-3)	$\frac{30}{x^{2} - 9} + 1 = \frac{5}{x - 3}$
5118	求解x	3^(3x-3)=5^(-x-1)	$3^{3 x - 3} = 5^{- x - 1}$
5119	求解x	2^x=128	$2^{x} = 128$
5120	求解x	2^(9-2x)=1/32	$2^{9 - 2 x} = \frac{1}{32}$
5121	求解x	5^(x-1)=3^(2x+1)	$5^{x - 1} = 3^{2 x + 1}$
5122	求解x	81^x=1/729	$81^{x} = \frac{1}{729}$
5123	求解x	cot(x)^2-3=0	$\cot^{2} (x) - 3 = 0$
5124	求解x	csc(x)^2=4	$\csc^{2} (x) = 4$
5125	Semplificare Usando la Formula di Bisezione dell'Angolo	cos(22.5 gradi )	$\cos^{2} (x) = \frac{1 - \cos (2 x)}{2}$
5126	求解x	cos(x)^2-3cos(x)+1=0	$\cos^{2} (x) - 3 \cos (x) + 1 = 0$
5127	求解x	cos(2x)^2-sin(2x)^2=0	$\cos^{2} (2 x) - \sin^{2} (2 x) = 0$
5128	求解x	arccos(x-( radice quadrata di 3)/2)=pi/3	$\arccos (x - \frac{\sqrt{3}}{2}) = \frac{π}{3}$
5129	求解r	r^2=cos(2x)	$r^{2} = \cos (2 x)$
5130	求解r	pi/3=150/r	$\frac{π}{3} = \frac{150}{r}$
5131	求解r	A=pr^2	$A = p r^{2}$
5132	求解B	sin(B)=0.45	$\sin (B) = 0.45$
5133	求解B	sin(B)=10/16	$\sin (B) = \frac{10}{16}$
5134	求解b	sin(b)=0.4848	$\sin (b) = 0.4848$
5135	求解b	logaritmo in base b di 25=2	$\log_{b} (25) = 2$
5136	求解b	4pi=(2pi)/b	$4 π = \frac{2 π}{b}$
5137	求解x	13/x=10-x	$\frac{13}{x} = 10 - x$
5138	求解x	16^x=1/1024	$16^{x} = \frac{1}{1024}$
5139	求解X	(2/3)^X=16/81	${(\frac{2}{3})}^{X} = \frac{16}{81}$
5140	求解x	(e^x+e^(-x))/15=2	$\frac{e^{x} + e^{- x}}{15} = 2$
5141	求解t	sec(t)=-2/( radice quadrata di 3)	$\sec (t) = - \frac{2}{\sqrt{3}}$
5142	求解s	9-8s=8(9-st)	$9 - 8 s = 8 (9 - s t)$
5143	求解v	v=6i-10j	$v = 6 i - 10 j$
5144	求解?	4sec(x)+1=9	$4 \sec (x) + 1 = 9$
5145	求解?	2sin(x)-1=csc(x)	$2 \sin (x) - 1 = \csc (x)$
5146	求解?	2sin(x)=2cos(2x)	$2 \sin (x) = 2 \cos (2 x)$
5147	求解?	cos(x)=12/13	$\cos (x) = \frac{12}{13}$
5148	求解?	cos(x)=2/5	$\cos (x) = \frac{2}{5}$
5149	求解?	cos(x)=-24/25	$\cos (x) = - \frac{24}{25}$
5150	求解?	cos(x)- radice quadrata di 3sin(x)=1	$\cos (x) - \sqrt{3} \sin (x) = 1$
5151	求解?	9-9sin(x)=6cos(x)^2	$9 - 9 \sin (x) = 6 \cos^{2} (x)$
5152	求解?	5sin(x)-2=0	$5 \sin (x) - 2 = 0$
5153	求解?	6sec(x)^2tan(x)=12tan(x)	$6 \sec^{2} (x) \tan (x) = 12 \tan (x)$
5154	求解?	6sin(x)^2-3=0	$6 \sin^{2} (x) - 3 = 0$
5155	求解?	6cos(x)+3=0	$6 \cos (x) + 3 = 0$
5156	求解?	8sin(x)^2-2=0	$8 \sin^{2} (x) - 2 = 0$
5157	求解?	8 radice quadrata di 2cos(x)+6=-2	$8 \sqrt{2} \cos (x) + 6 = - 2$
5158	求解?	6tan(x)+5=0	$6 \tan (x) + 5 = 0$
5159	求解?	7sin(x)+1=5sin(x)	$7 \sin (x) + 1 = 5 \sin (x)$
5160	求解?	12cos(x)^2=3	$12 \cos^{2} (x) = 3$
5161	求解?	16cos(x)^2=4	$16 \cos^{2} (x) = 4$
5162	求解?	12sin(x)^2-3=0	$12 \sin^{2} (x) - 3 = 0$
5163	求解?	2sin(x)^2-sin(x)=0	$2 \sin^{2} (x) - \sin (x) = 0$
5164	求解?	2cos(x)+ radice quadrata di 2=0	$2 \cos (x) + \sqrt{2} = 0$
5165	求解?	2cos(x)-1=sec(x)	$2 \cos (x) - 1 = \sec (x)$
5166	求解?	2 radice quadrata di 3sin(4x)=3	$2 \sqrt{3} \sin (4 x) = 3$
5167	求解?	sec(x)^2+2tan(x)=0	$\sec^{2} (x) + 2 \tan (x) = 0$
5168	Semplificare Usando la Formula di Bisezione dell'Angolo	cos(67.5 gradi )	$\cot^{2} (x) = \frac{3}{2} \cdot \csc (x)$
5169	求解?	radice quadrata di 2sin(x)^2+sin(x)=0	$\sqrt{2} \sin^{2} (x) + \sin (x) = 0$
5170	求解?	tan(x)^2-3=0	$\tan^{2} (x) - 3 = 0$
5171	求解?	(1-cos(x))/(sin(x))+(sin(x))/(1-cos(x))=2csc(x)	$\frac{1 - \cos (x)}{\sin (x)} + \frac{\sin (x)}{1 - \cos (x)} = 2 \csc (x)$
5172	求解?	x=45	$x = 45$
5173	求解?	x=60	$x = 60$
5174	求解?	x=90	$x = 90$
5175	求解?	(tan(x)+1)(sec(x)-1)=0	$(\tan (x) + 1) (\sec (x) - 1) = 0$
5176	求解?	(tan(x)^2-16)(2cos(x)+1)=0	$(\tan^{2} (x) - 16) (2 \cos (x) + 1) = 0$
5177	求解?	cos(2x)=3sin(x)-1	$\cos (2 x) = 3 \sin (x) - 1$
5178	求解?	cot(x)=cos(x)	$\cot (x) = \cos (x)$
5179	求解?	cot(x)=cos(x)csc(x)	$\cot (x) = \cos (x) \csc (x)$
5180	求解?	cos(x)-sin(x)=0	$\cos (x) - \sin (x) = 0$
5181	求解?	cos(x/2)=-1/2	$\cos (\frac{x}{2}) = - \frac{1}{2}$
5182	求解?	cos(x)=-5/13	$\cos (x) = - \frac{5}{13}$
5183	求解?	r=cos(x)	$r = \cos (x)$
5184	求解?	r=6cos(x)	$r = 6 \cos (x)$
5185	求解?	sec(x)=25/24	$\sec (x) = \frac{25}{24}$
5186	求解?	sec(x)=5/3	$\sec (x) = \frac{5}{3}$
5187	求解?	sec(x)=5/4	$\sec (x) = \frac{5}{4}$
5188	求解?	sec(x)+2=0	$\sec (x) + 2 = 0$
5189	求解?	sec(x)-2=0	$\sec (x) - 2 = 0$
5190	求解?	sec(x)cot(x)=csc(x)	$\sec (x) \cot (x) = \csc (x)$
5191	求解?	sec(x)=3	$\sec (x) = 3$
5192	求解?	sec(x)=0	$\sec (x) = 0$
5193	求解?	sec(x)=5	$\sec (x) = 5$
5194	求解?	cot(x)=3	$\cot (x) = 3$
5195	求解?	csc(x)+2=0	$\csc (x) + 2 = 0$
5196	求解?	csc(x)-1=0	$\csc (x) - 1 = 0$
5197	求解?	csc(x)-2=0	$\csc (x) - 2 = 0$
5198	求解?	sin(x/2)=-( radice quadrata di 3)/2	$\sin (\frac{x}{2}) = - \frac{\sqrt{3}}{2}$
5199	求解?	sin(x/2)-1=0	$\sin (\frac{x}{2}) - 1 = 0$
5200	求解?	sin(2x)=sin(x)	$\sin (2 x) = \sin (x)$