Mathway | 热门问题

热门问题

等级	主题	问题	格式化的问题
31001	通过作图求解	sin(5x)-sin(2x)=0	$\sin (5 x) - \sin (2 x) = 0$ $\sin (5 x) - \sin (2 x) = 0$
31002	通过作图求解	sin(60)=12/x	$\sin (60) = \frac{12}{x}$ $\sin (60) = \frac{12}{x}$
31003	通过作图求解	sin(62)=4800/x	$\sin (62) = \frac{4800}{x}$ $\sin (62) = \frac{4800}{x}$
31004	通过作图求解	sin(a)(3-4sin(a)^2)=sin(3a)	$\sin (a) (3 - 4 \sin^{2} (a)) = \sin (3 a)$ $\sin (a) (3 - 4 \sin^{2} (a)) = \sin (3 a)$
31005	通过作图求解	sin(A)=0.29	$\sin (A) = 0.29$ $\sin (A) = 0.29$
31006	通过作图求解	sin(a)=0.446	$\sin (a) = 0.446$ $\sin (a) = 0.446$
31007	通过作图求解	sin(b)=2/7	$\sin (b) = \frac{2}{7}$ $\sin (b) = \frac{2}{7}$
31008	通过作图求解	sin(B)=12((sin(42))/22)	$\sin (B) = 12 (\frac{\sin (42)}{22})$ $\sin (B) = 12 (\frac{\sin (42)}{22})$
31009	通过作图求解	sin(B)=sin(63/5.5)*4.7	$\sin (B) = \sin (\frac{63}{5.5}) \cdot 4.7$ $\sin (B) = \sin (\frac{63}{5.5}) \cdot 4.7$
31010	通过作图求解	sin(t)=(1/2)	$\sin (t) = (\frac{1}{2})$ $\sin (t) = (\frac{1}{2})$
31011	通过作图求解	sin(t)=1/4	$\sin (t) = \frac{1}{4}$ $\sin (t) = \frac{1}{4}$
31012	通过作图求解	sin(t)=6/7	$\sin (t) = \frac{6}{7}$ $\sin (t) = \frac{6}{7}$
31013	通过作图求解	sin(u)=3/5	$\sin (u) = \frac{3}{5}$ $\sin (u) = \frac{3}{5}$
31014	通过作图求解	sec(x)+tan(x)=3	$\sec (x) + \tan (x) = 3$ $\sec (x) + \tan (x) = 3$
31015	通过作图求解	sec(x)=(2 3)/3 的平方根	$\sec (x) = \frac{2 \sqrt{3}}{3}$ $\sec (x) = \frac{2 \sqrt{3}}{3}$
31016	通过作图求解	sec(x)=2	$\sec (x) = 2$ $\sec (x) = 2$
31017	通过作图求解	sec(x)=sin(1/2x)	$\sec (x) = \sin (\frac{1}{2} x)$ $\sec (x) = \sin (\frac{1}{2} x)$
31018	通过作图求解	sec(x)cot(x)=csc(x)	$\sec (x) \cot (x) = \csc (x)$ $\sec (x) \cot (x) = \csc (x)$
31019	通过作图求解	sin(x)cot(x)^2-3sin(x)=0	$\sin (x) \cot^{2} (x) - 3 \sin (x) = 0$ $\sin (x) \cot^{2} (x) - 3 \sin (x) = 0$
31020	通过作图求解	sin(x)+sin(x)cot(x)^2=csc(x)	$\sin (x) + \sin (x) \cot^{2} (x) = \csc (x)$ $\sin (x) + \sin (x) \cot^{2} (x) = \csc (x)$
31021	通过作图求解	sin(x)+ 3cos(x)=- 的平方根 3 的平方根	$\sin (x) + \sqrt{3} \cos (x) = - \sqrt{3}$ $\sin (x) + \sqrt{3} \cos (x) = - \sqrt{3}$
31022	通过作图求解	sin(x)+cos(x)=0	$\sin (x) + \cos (x) = 0$ $\sin (x) + \cos (x) = 0$
31023	通过作图求解	sin(x)=1/5	$\sin (x) = \frac{1}{5}$ $\sin (x) = \frac{1}{5}$
31024	通过作图求解	sin(x)=6/7	$\sin (x) = \frac{6}{7}$ $\sin (x) = \frac{6}{7}$
31025	通过作图求解	sin(x)=-(1/2)	$\sin (x) = - (\frac{1}{2})$ $\sin (x) = - (\frac{1}{2})$
31026	通过作图求解	sin(x)=-(3/4)	$\sin (x) = - (\frac{3}{4})$ $\sin (x) = - (\frac{3}{4})$
31027	通过作图求解	sin(x)=-0.55	$\sin (x) = - 0.55$ $\sin (x) = - 0.55$
31028	通过作图求解	sin(x)=0.8660	$\sin (x) = 0.866$ $\sin (x) = 0.866$
31029	通过作图求解	sin(x)=0.91	$\sin (x) = 0.91$ $\sin (x) = 0.91$
31030	通过作图求解	sin(x)=0.9659	$\sin (x) = 0.9659$ $\sin (x) = 0.9659$
31031	通过作图求解	sin(x)=(2 2)/3 的平方根	$\sin (x) = \frac{2 \sqrt{2}}{3}$ $\sin (x) = \frac{2 \sqrt{2}}{3}$
31032	通过作图求解	sin(x)=( 2)/10 的平方根	$\sin (x) = \frac{\sqrt{2}}{10}$ $\sin (x) = \frac{\sqrt{2}}{10}$
31033	通过作图求解	sec(x)=1.2048	$\sec (x) = 1.2048$ $\sec (x) = 1.2048$
31034	通过作图求解	sec((3x)/2)+2=0	$\sec (\frac{3 x}{2}) + 2 = 0$ $\sec (\frac{3 x}{2}) + 2 = 0$
31035	通过作图求解	sec(2x)=(csc(x)^2)/(2cot(x)^2-csc(x)^2)	$\sec (2 x) = \frac{\csc^{2} (x)}{2 \cot^{2} (x) - \csc^{2} (x)}$ $\sec (2 x) = \frac{\csc^{2} (x)}{2 \cot^{2} (x) - \csc^{2} (x)}$
31036	通过作图求解	sec(3x)=-1	$\sec (3 x) = - 1$ $\sec (3 x) = - 1$
31037	通过作图求解	sec(A)=17/15	$\sec (A) = \frac{17}{15}$ $\sec (A) = \frac{17}{15}$
31038	通过作图求解	sec(theta)*sin(theta)=tan(theta)	$\sec (θ) \cdot \sin (θ) = \tan (θ)$ $\sec (θ) \cdot \sin (θ) = \tan (θ)$
31039	通过作图求解	sec(theta)=2/( 3) 的平方根	$\sec (θ) = \frac{2}{\sqrt{3}}$ $\sec (θ) = \frac{2}{\sqrt{3}}$
31040	通过作图求解	sec(theta)cot(theta)-cot(theta)cos(theta)=sin(theta)	$\sec (θ) \cot (θ) - \cot (θ) \cos (θ) = \sin (θ)$ $\sec (θ) \cot (θ) - \cot (θ) \cos (θ) = \sin (θ)$
31041	通过作图求解	(sec(x)sin(x))/(sin(x))=0	$\frac{\sec (x) \sin (x)}{\sin (x)} = 0$ $\frac{\sec (x) \sin (x)}{\sin (x)} = 0$
31042	通过作图求解	sin(x)=-12/13*cos(x)=5/13	$\sin (x) = - \frac{12}{13} \cdot \cos (x) = \frac{5}{13}$ $\sin (x) = - \frac{12}{13} \cdot \cos (x) = \frac{5}{13}$
31043	通过作图求解	sin(x)=14.8/27.86	$\sin (x) = \frac{14.8}{27.86}$ $\sin (x) = \frac{14.8}{27.86}$
31044	通过作图求解	sin(x)=16/65	$\sin (x) = \frac{16}{65}$ $\sin (x) = \frac{16}{65}$
31045	通过作图求解	sin(x)=17/23	$\sin (x) = \frac{17}{23}$ $\sin (x) = \frac{17}{23}$
31046	通过作图求解	sin(x)=24/0.26	$\sin (x) = \frac{24}{0.26}$ $\sin (x) = \frac{24}{0.26}$
31047	通过作图求解	r=5	$r = 5$ $r = 5$
31048	通过作图求解	r=5sin(3)*0	$r = 5 \sin (3) \cdot 0$ $r = 5 \sin (3) \cdot 0$
31049	通过作图求解	sin(x)=(- 2)/2 的平方根	$\sin (x) = \frac{- \sqrt{2}}{2}$ $\sin (x) = \frac{- \sqrt{2}}{2}$
31050	通过作图求解	sin(x)=( 24)/9 的平方根	$\sin (x) = \frac{\sqrt{24}}{9}$ $\sin (x) = \frac{\sqrt{24}}{9}$
31051	通过作图求解	sin(x)=cos(2x+39)	$\sin (x) = \cos (2 x + 39)$ $\sin (x) = \cos (2 x + 39)$
31052	通过作图求解	sin(x)sec(x)=tan(x)	$\sin (x) \sec (x) = \tan (x)$ $\sin (x) \sec (x) = \tan (x)$
31053	通过作图求解	sin(x)-sin(2x)=0	$\sin (x) - \sin (2 x) = 0$ $\sin (x) - \sin (2 x) = 0$
31054	通过作图求解	sin(1/2x)-1=-0.75	$\sin (\frac{1}{2} x) - 1 = - 0.75$ $\sin (\frac{1}{2} x) - 1 = - 0.75$
31055	通过作图求解	sin((2pi)/3)=( 3)/2 的平方根	$\sin (\frac{2 π}{3}) = \frac{\sqrt{3}}{2}$ $\sin (\frac{2 π}{3}) = \frac{\sqrt{3}}{2}$
31056	通过作图求解	sin(x/2)=sec(x/2)	$\sin (\frac{x}{2}) = \sec (\frac{x}{2})$ $\sin (\frac{x}{2}) = \sec (\frac{x}{2})$
31057	通过作图求解	sin(0.77x)=-1/2	$\sin (0.77 x) = - \frac{1}{2}$ $\sin (0.77 x) = - \frac{1}{2}$
31058	通过作图求解	sin(15)+tan(30)*cos(15) = square root of 6/3	$\sin (15) + \tan (30) \cdot \cos (15) = \sqrt{\frac{6}{3}}$ $\sin (15) + \tan (30) \cdot \cos (15) = \sqrt{\frac{6}{3}}$
31059	通过作图求解	sin(165)=sin(135)cos(30)+cos(135)sin(30)	$\sin (165) = \sin (135) \cos (30) + \cos (135) \sin (30)$ $\sin (165) = \sin (135) \cos (30) + \cos (135) \sin (30)$
31060	通过作图求解	sin(2)x=sin(x)	$\sin (2) x = \sin (x)$ $\sin (2) x = \sin (x)$
31061	通过作图求解	sin(2)A=cos(13)A	$\sin (2) A = \cos (13) A$ $\sin (2) A = \cos (13) A$
31062	通过作图求解	sin(x)=476/842	$\sin (x) = \frac{476}{842}$ $\sin (x) = \frac{476}{842}$
31063	通过作图求解	sin(x)=5/2	$\sin (x) = \frac{5}{2}$ $\sin (x) = \frac{5}{2}$
31064	通过作图求解	sin(x)=5/6	$\sin (x) = \frac{5}{6}$ $\sin (x) = \frac{5}{6}$
31065	通过作图求解	sin(x)=-6/10*18	$\sin (x) = - \frac{6}{10} \cdot 18$ $\sin (x) = - \frac{6}{10} \cdot 18$
31066	通过作图求解	sin(x)=63/65	$\sin (x) = \frac{63}{65}$ $\sin (x) = \frac{63}{65}$
31067	通过作图求解	sin(x)=7/( 58) 的平方根	$\sin (x) = \frac{7}{\sqrt{58}}$ $\sin (x) = \frac{7}{\sqrt{58}}$
31068	通过作图求解	sin(x)=-77/85	$\sin (x) = - \frac{77}{85}$ $\sin (x) = - \frac{77}{85}$
31069	通过作图求解	sin(x) = square root of (5-1)/4	$\sin (x) = \sqrt{\frac{5 - 1}{4}}$ $\sin (x) = \sqrt{\frac{5 - 1}{4}}$
31070	通过作图求解	sin(x)=-0.24	$\sin (x) = - 0.24$ $\sin (x) = - 0.24$
31071	通过作图求解	sin(x)=-0.3	$\sin (x) = - 0.3$ $\sin (x) = - 0.3$
31072	通过作图求解	sin(x)=0.4545	$\sin (x) = 0.4545$ $\sin (x) = 0.4545$
31073	通过作图求解	sin(x)=-0.5736	$\sin (x) = - 0.5736$ $\sin (x) = - 0.5736$
31074	通过作图求解	sin(x)=0.6	$\sin (x) = 0.6$ $\sin (x) = 0.6$
31075	通过作图求解	sin(x)=0.6217	$\sin (x) = 0.6217$ $\sin (x) = 0.6217$
31076	通过作图求解	sin(x)=0.69	$\sin (x) = 0.69$ $\sin (x) = 0.69$
31077	通过作图求解	sin(x)=0.8290	$\sin (x) = 0.829$ $\sin (x) = 0.829$
31078	通过作图求解	sin(x)=-0.8363	$\sin (x) = - 0.8363$ $\sin (x) = - 0.8363$
31079	通过作图求解	sin(x)=0.8975	$\sin (x) = 0.8975$ $\sin (x) = 0.8975$
31080	通过作图求解	sin(x)=-0.95	$\sin (x) = - 0.95$ $\sin (x) = - 0.95$
31081	通过作图求解	sin(2x)=-( 3)/2 的平方根	$\sin (2 x) = - \frac{\sqrt{3}}{2}$ $\sin (2 x) = - \frac{\sqrt{3}}{2}$
31082	通过作图求解	sin(2x)=(- 3)/2 的平方根	$\sin (2 x) = \frac{- \sqrt{3}}{2}$ $\sin (2 x) = \frac{- \sqrt{3}}{2}$
31083	通过作图求解	sin(2x)=-1/2	$\sin (2 x) = - \frac{1}{2}$ $\sin (2 x) = - \frac{1}{2}$
31084	通过作图求解	sin(2x)=-2/3	$\sin (2 x) = - \frac{2}{3}$ $\sin (2 x) = - \frac{2}{3}$
31085	通过作图求解	sin(2x)=24/13	$\sin (2 x) = \frac{24}{13}$ $\sin (2 x) = \frac{24}{13}$
31086	通过作图求解	sin(2x)=3/5	$\sin (2 x) = \frac{3}{5}$ $\sin (2 x) = \frac{3}{5}$
31087	通过作图求解	sin(2x)=(7 58)/58 的平方根	$\sin (2 x) = \frac{7 \sqrt{58}}{58}$ $\sin (2 x) = \frac{7 \sqrt{58}}{58}$
31088	通过作图求解	sin(2x)=2sin(x)*cos(x)	$\sin (2 x) = 2 \sin (x) \cdot \cos (x)$ $\sin (2 x) = 2 \sin (x) \cdot \cos (x)$
31089	通过作图求解	sin(2x)=cos(x)	$\sin (2 x) = \cos (x)$ $\sin (2 x) = \cos (x)$
31090	通过作图求解	sin(2000x)=3/7	$\sin (2000 x) = \frac{3}{7}$ $\sin (2000 x) = \frac{3}{7}$
31091	通过作图求解	sin(2A)=cos(3A)	$\sin (2 A) = \cos (3 A)$ $\sin (2 A) = \cos (3 A)$
31092	通过作图求解	sin(2theta)=0	$\sin (2 θ) = 0$ $\sin (2 θ) = 0$
31093	通过作图求解	sin(2t)-sin(t)=0	$\sin (2 t) - \sin (t) = 0$ $\sin (2 t) - \sin (t) = 0$
31094	通过作图求解	sin(2x)-3sin(x)=0	$\sin (2 x) - 3 \sin (x) = 0$ $\sin (2 x) - 3 \sin (x) = 0$
31095	通过作图求解	sin(2x)=2sin(x)	$\sin (2 x) = 2 \sin (x)$ $\sin (2 x) = 2 \sin (x)$
31096	通过作图求解	sin(2x)=5cos(x)^2	$\sin (2 x) = 5 \cos^{2} (x)$ $\sin (2 x) = 5 \cos^{2} (x)$
31097	通过作图求解	sin(2x)=-cos(x)	$\sin (2 x) = - \cos (x)$ $\sin (2 x) = - \cos (x)$
31098	通过作图求解	sin(2x)=sin(x)	$\sin (2 x) = \sin (x)$ $\sin (2 x) = \sin (x)$
31099	通过作图求解	sin(2x)=-120/169	$\sin (2 x) = - \frac{120}{169}$ $\sin (2 x) = - \frac{120}{169}$
31100	通过作图求解	sin(2x)=9/2	$\sin (2 x) = \frac{9}{2}$ $\sin (2 x) = \frac{9}{2}$