Mathway | 热门问题

热门问题

等级	主题	问题	格式化的问题
18401	求出精确值	arcsin(-0.79)	$\arcsin (- 0.79)$
18402	求出精确值	arcsin(-0.7)	$\arcsin (- 0.7)$
18403	求出精确值	arcsin(-0.83)	$\arcsin (- 0.83)$
18404	求出精确值	arcsin(0.67)	$\arcsin (0.67)$
18405	求出精确值	arcsin(-0.46)	$\arcsin (- 0.46)$
18406	求出精确值	arctan(4/2)	$\arctan (\frac{4}{2})$
18407	求出精确值	arctan(40/9)	$\arctan (\frac{40}{9})$
18408	求出精确值	arctan(4/13)	$\arctan (\frac{4}{13})$
18409	求出精确值	arctan(45/47)	$\arctan (\frac{45}{47})$
18410	求出精确值	arctan(5/6)	$\arctan (\frac{5}{6})$
18411	求出精确值	arctan(20/40)	$\arctan (\frac{20}{40})$
18412	求出精确值	arctan(21/25)	$\arctan (\frac{21}{25})$
18413	求出精确值	arctan(30.0/100)	$\arctan (\frac{30}{100})$
18414	求出精确值	arctan(11/7)	$\arctan (\frac{11}{7})$
18415	求出精确值	arctan(200/90)	$\arctan (\frac{200}{90})$
18416	求出精确值	arctan(250/750)	$\arctan (\frac{250}{750})$
18417	求出精确值	arctan(8/3)	$\arctan (\frac{8}{3})$
18418	求出精确值	arctan(7/2)	$\arctan (\frac{7}{2})$
18419	求出精确值	arctan(9.8/25.2)	$\arctan (\frac{9.8}{25.2})$
18420	求出精确值	arctan(0.3)	$\arctan (0.3)$
18421	求出精确值	arctan(0.2)	$\arctan (0.2)$
18422	求出精确值	arctan(0.49)	$\arctan (0.49)$
18423	求出精确值	arctan(0.4)	$\arctan (0.4)$
18424	求出精确值	arctan(-0.4)	$\arctan (- 0.4)$
18425	求出精确值	(tan(5)+tan(25))/(1-tan(5)tan(25))	$\frac{\tan (5) + \tan (25)}{1 - \tan (5) \tan (25)}$
18426	求出精确值	arctan(1.6/10)	$\arctan (\frac{1.6}{10})$
18427	求出精确值	arctan(10/0.02)	$\arctan (\frac{10}{0.02})$
18428	求出精确值	arctan(1000/5280)	$\arctan (\frac{1000}{5280})$
18429	求出精确值	arctan(0.34)	$\arctan (0.34)$
18430	求出精确值	arctan(0.9)	$\arctan (0.9)$
18431	求出精确值	arctan((2(17))/25)	$\arctan (\frac{2 (17)}{25})$
18432	求出精确值	arctan(19/10)	$\arctan (\frac{19}{10})$
18433	求出精确值	arctan(19/28)	$\arctan (\frac{19}{28})$
18434	求出精确值	arctan(16/12)	$\arctan (\frac{16}{12})$
18435	求出精确值	arctan(-2/3)	$\arctan (- \frac{2}{3})$
18436	求出精确值	arctan(-2/2)	$\arctan (- \frac{2}{2})$
18437	求出精确值	arctan(11/-5)	$\arctan (\frac{11}{- 5})$
18438	求出精确值	arctan(-11/9)	$\arctan (- \frac{11}{9})$
18439	求出精确值	arctan(12/5)	$\arctan (\frac{12}{5})$
18440	求出精确值	arctan(12/16)	$\arctan (\frac{12}{16})$
18441	求出精确值	arctan(-13/8)	$\arctan (- \frac{13}{8})$
18442	求出精确值	(tan(40)-tan(10))/(1+tan(40)*tan(10))	$\frac{\tan (40) - \tan (10)}{1 + \tan (40) \cdot \tan (10)}$
18443	求出精确值	(tan(5)+tan(40))/(1-tan(5)tan(40))	$\frac{\tan (5) + \tan (40)}{1 - \tan (5) \tan (40)}$
18444	求出精确值	tan(55)^0	$\tan^{0} (55)$
18445	求出精确值	(tan(55)+tan(5))/(1-tan(55)tan(5))	$\frac{\tan (55) + \tan (5)}{1 - \tan (55) \tan (5)}$
18446	求出精确值	(tan(65)+tan(85))/(1-tan(65)tan(85))	$\frac{\tan (65) + \tan (85)}{1 - \tan (65) \tan (85)}$
18447	求出精确值	(tan(7pi))/4	$\frac{\tan (7 π)}{4}$
18448	求出精确值	tan(-1)^0	$\tan^{0} (- 1)$
18449	求出精确值	arctan(0.6)	$\arctan (0.6)$
18450	求出精确值	arccos(0.789)	$\arccos (0.789)$
18451	求出精确值	arccos(0.71)	$\arccos (0.71)$
18452	求出精确值	arccos(-0.90)	$\arccos (- 0.9)$
18453	求出精确值	arccos(-1/6)	$\arccos (- \frac{1}{6})$
18454	求出精确值	arccos(11/61)	$\arccos (\frac{11}{61})$
18455	求出精确值	arccos(0.34)	$\arccos (0.34)$
18456	求出精确值	arccos((450^2+350^2-200^2)/(2(450)*(350)))	$\arccos (\frac{450^{2} + 350^{2} - 200^{2}}{2 (450) \cdot (350)})$
18457	求出精确值	arccos(0.45)	$\arccos (0.45)$
18458	求出精确值	arccos(1.35/3.53)	$\arccos (\frac{1.35}{3.53})$
18459	求出精确值	arccos(0.3)	$\arccos (0.3)$
18460	求出精确值	arccos(0.42)	$\arccos (0.42)$
18461	求出精确值	(cos(60)+sin(30))/4	$\frac{\cos (60) + \sin (30)}{4}$
18462	求出精确值	(cos(x))/(1-sin(x))	$\frac{\cos (x)}{1 - \sin (x)}$
18463	求出精确值	(cos(x))/(sec(x)+tan(x))	$\frac{\cos (x)}{\sec (x) + \tan (x)}$
18464	求出精确值	(cos(11pi))/6	$\frac{\cos (11 π)}{6}$
18465	求出精确值	(cos(30)+sin(30))/(cos(45))	$\frac{\cos (30) + \sin (30)}{\cos (45)}$
18466	求出精确值	(cos(24)-cos(84))/(sin(54))	$\frac{\cos (24) - \cos (84)}{\sin (54)}$
18467	求出精确值	(cos(5pi))/3	$\frac{\cos (5 π)}{3}$
18468	求出精确值	6/(cos(59))	$\frac{6}{\cos (59)}$
18469	求出精确值	6.6/(sin(17))	$\frac{6.6}{\sin (17)}$
18470	求出精确值	(5sin(70))/7	$\frac{5 \sin (70)}{7}$
18471	求出精确值	(72sin(77))/47	$\frac{72 \sin (77)}{47}$
18472	求出精确值	8/(sin(25))	$\frac{8}{\sin (25)}$
18473	求出精确值	(cos(1))/(sin(1))	$\frac{\cos (1)}{\sin (1)}$
18474	求出精确值	(cos((7pi)/6))/(sin((7pi)/6))	$\frac{\cos (\frac{7 π}{6})}{\sin (\frac{7 π}{6})}$
18475	求出精确值	90/(tan(10))	$\frac{90}{\tan (10)}$
18476	求出精确值	90/(tan(4.5))	$\frac{90}{\tan (4.5)}$
18477	求出精确值	8/(sin(35))	$\frac{8}{\sin (35)}$
18478	求出精确值	8/(sin(40))	$\frac{8}{\sin (40)}$
18479	求出精确值	9/(tan(70))	$\frac{9}{\tan (70)}$
18480	求出精确值	9/(tan(75))	$\frac{9}{\tan (75)}$
18481	求出精确值	6/(sin(37))	$\frac{6}{\sin (37)}$
18482	求出精确值	6/(sin(75))	$\frac{6}{\sin (75)}$
18483	求出精确值	6/(tan(75))	$\frac{6}{\tan (75)}$
18484	求出精确值	7/(sin(70))	$\frac{7}{\sin (70)}$
18485	求出精确值	7/(tan(46))	$\frac{7}{\tan (46)}$
18486	求出精确值	7/(tan(72))	$\frac{7}{\tan (72)}$
18487	求出精确值	8/(cos(59))	$\frac{8}{\cos (59)}$
18488	求出精确值	(95sin(108))/(sin(45))	$\frac{95 \sin (108)}{\sin (45)}$
18489	求出精确值	arccos(0.65)	$\arccos (0.65)$
18490	求出精确值	arccos(0.6875)	$\arccos (0.6875)$
18491	求出精确值	arccos(0.8197)	$\arccos (0.8197)$
18492	求出精确值	arccos(0.84)	$\arccos (0.84)$
18493	求出精确值	arccos(0.8660)	$\arccos (0.866)$
18494	求出精确值	arccos(-0.92769)	$\arccos (- 0.92769)$
18495	求出精确值	arccos(0.59)	$\arccos (0.59)$
18496	求出精确值	arccos(0.6)	$\arccos (0.6)$
18497	求出精确值	arccos(0.6246)	$\arccos (0.6246)$
18498	求出精确值	arccos(0.26)	$\arccos (0.26)$
18499	求出精确值	arccos(0.28)	$\arccos (0.28)$
18500	求出精确值	arccos(0.2857)	$\arccos (0.2857)$