Mathway | 热门问题

热门问题

等级	主题	问题	格式化的问题
18301	求出精确值	1000sin(20)	$1000 \sin (20)$
18302	求出精确值	10000sin(320)	$10000 \sin (320)$
18303	求出精确值	100cos(45)	$100 \cos (45)$
18304	求出精确值	100cos(50)	$100 \cos (50)$
18305	求出精确值	100sin(12)	$100 \sin (12)$
18306	求出精确值	100tan(45)	$100 \tan (45)$
18307	求出精确值	0.707cos(45)	$0.707 \cos (45)$
18308	求出精确值	10sin(45)	$10 \sin (45)$
18309	求出精确值	10sin(48)	$10 \sin (48)$
18310	求出精确值	10sin(60)	$10 \sin (60)$
18311	求出精确值	11cos(24)	$11 \cos (24)$
18312	求出精确值	1200cos(45)	$1200 \cos (45)$
18313	求出精确值	100sin(30)	$100 \sin (30)$
18314	求出精确值	100cos(30)	$100 \cos (30)$
18315	求出精确值	100sin(20)	$100 \sin (20)$
18316	求出精确值	10cos(15)	$10 \cos (15)$
18317	求出精确值	10cos(36)	$10 \cos (36)$
18318	求出精确值	10cos(40)	$10 \cos (40)$
18319	求出精确值	10cos(30)	$10 \cos (30)$
18320	求出精确值	10cos(60)	$10 \cos (60)$
18321	求出精确值	10cot(59)	$10 \cot (59)$
18322	求出精确值	10tan(60)	$10 \tan (60)$
18323	求出精确值	2.96cos(262.19)	$2.96 \cos (262.19)$
18324	求出精确值	2cos(30-1)^2	$2 \cos^{2} (30 - 1)$
18325	求出精确值	-2106cos(43)	$- 2 \cdot 10 \cdot 6 \cos (43)$
18326	求出精确值	17.5tan(23.9)	$17.5 \tan (23.9)$
18327	求出精确值	15tan(40)	$15 \tan (40)$
18328	求出精确值	16sin(30)	$16 \sin (30)$
18329	求出精确值	16sin(50)	$16 \sin (50)$
18330	求出精确值	16sin(75)	$16 \sin (75)$
18331	求出精确值	1859sin(-33.6)	$1859 \sin (- 33.6)$
18332	求出精确值	19.5tan(28.4)	$19.5 \tan (28.4)$
18333	求出精确值	13sin(17)	$13 \sin (17)$
18334	求出精确值	(14(tan(40)))/1	$\frac{14 (\tan (40))}{1}$
18335	求出精确值	10tan(25)	$10 \tan (25)$
18336	求出精确值	12cos(60)	$12 \cos (60)$
18337	求出精确值	125tan(57.2)	$125 \tan (57.2)$
18338	求出精确值	125(tan(32))	$125 (\tan (32))$
18339	求出精确值	138.57sin(27)	$138.57 \sin (27)$
18340	求出精确值	15cos(32)	$15 \cos (32)$
18341	求出精确值	14cos(45)	$14 \cos (45)$
18342	求出精确值	(16(sin(104)))/25	$\frac{16 (\sin (104))}{25}$
18343	求出精确值	160tan(15)	$160 \tan (15)$
18344	求出精确值	15sin(48)	$15 \sin (48)$
18345	求出精确值	12cos(53)	$12 \cos (53)$
18346	求出精确值	15cos(20)	$15 \cos (20)$
18347	求出精确值	15cos(90)	$15 \cos (90)$
18348	求出精确值	15sin(20)	$15 \sin (20)$
18349	求出精确值	15sin(22)	$15 \sin (22)$
18350	求出精确值	15sin(28)	$15 \sin (28)$
18351	求出精确值	(tan(pi/5)+tan((4pi)/5))/(1-tan(pi/5)tan((4pi)/5))	$\frac{\tan (\frac{π}{5}) + \tan (\frac{4 π}{5})}{1 - \tan (\frac{π}{5}) \tan (\frac{4 π}{5})}$
18352	求出精确值	(tan(pi/5)-tan(pi/30))/(1+tan(pi/5)tan(pi/30))	$\frac{\tan (\frac{π}{5}) - \tan (\frac{π}{30})}{1 + \tan (\frac{π}{5}) \tan (\frac{π}{30})}$
18353	求出精确值	(tan(pi/5)-tan(pi/9))/(1+tan(pi/5)tan(pi/9))	$\frac{\tan (\frac{π}{5}) - \tan (\frac{π}{9})}{1 + \tan (\frac{π}{5}) \tan (\frac{π}{9})}$
18354	求出精确值	(tan(pi/6)+tan(pi/3))/(1-tan(pi/6)tan(pi/3))	$\frac{\tan (\frac{π}{6}) + \tan (\frac{π}{3})}{1 - \tan (\frac{π}{6}) \tan (\frac{π}{3})}$
18355	求出精确值	(tan(0.9))/7.2	$\frac{\tan (0.9)}{7.2}$
18356	求出精确值	(tan(112.5))/(1-tan(112.5)^2)	$\frac{\tan (112.5)}{1 - \tan^{2} (112.5)}$
18357	求出精确值	(tan(3/4)-tan(pi/4))/(1+tan(3/4)tan(pi/4))	$\frac{\tan (\frac{3}{4}) - \tan (\frac{π}{4})}{1 + \tan (\frac{3}{4}) \tan (\frac{π}{4})}$
18358	求出精确值	(tan(pi/3))/(csc((5pi)/3))	$\frac{\tan (\frac{π}{3})}{\csc (\frac{5 π}{3})}$
18359	求出精确值	(tan((3pi)/5)+tan((2pi)/5))/(1-tan((3pi)/5)tan((2pi)/5))	$\frac{\tan (\frac{3 π}{5}) + \tan (\frac{2 π}{5})}{1 - \tan (\frac{3 π}{5}) \tan (\frac{2 π}{5})}$
18360	求出精确值	(tan(20)+tan(25))/(1-tan(20)tan(25))	$\frac{\tan (20) + \tan (25)}{1 - \tan (20) \tan (25)}$
18361	求出精确值	(tan(20)+tan(25))/(1-tan(20)*tan(25))	$\frac{\tan (20) + \tan (25)}{1 - \tan (20) \cdot \tan (25)}$
18362	求出精确值	(tan(10)+tan(35))/(1-tan(10)tan(35))	$\frac{\tan (10) + \tan (35)}{1 - \tan (10) \tan (35)}$
18363	求出精确值	(tan(22))/(1-tan(22)^2)	$\frac{\tan (22)}{1 - \tan^{2} (22)}$
18364	求出精确值	(tan(27)-tan(19))/(1-tan(27)tan(19))	$\frac{\tan (27) - \tan (19)}{1 - \tan (27) \tan (19)}$
18365	求出精确值	tan(30)^2	$\tan^{2} (30)$
18366	求出精确值	arcsin(tan((7pi)/4))	$\arcsin (\tan (\frac{7 π}{4}))$
18367	求出精确值	arcsin(tan((3pi)/4))	$\arcsin (\tan (\frac{3 π}{4}))$
18368	求出精确值	arcsin(tan(-pi/4))	$\arcsin (\tan (- \frac{π}{4}))$
18369	求出精确值	sin(1/2)^2	$\sin^{2} (\frac{1}{2})$
18370	求出精确值	sin(1/2*arccos(4/5))^2	$\sin^{2} (\frac{1}{2} \cdot \arccos (\frac{4}{5}))$
18371	求出精确值	sin(1/2*arccos(-4/5))^2	$\sin^{2} (\frac{1}{2} \cdot \arccos (- \frac{4}{5}))$
18372	求出精确值	arcsin(sin(-pi/5))	$\arcsin (\sin (- \frac{π}{5}))$
18373	求出精确值	arcsin(sin(pi/6))	$\arcsin (\sin (\frac{π}{6}))$
18374	求出精确值	arcsin(sin(pi/9))	$\arcsin (\sin (\frac{π}{9}))$
18375	求出精确值	arcsin(sin(-(3pi)/7))	$\arcsin (\sin (- \frac{3 π}{7}))$
18376	求出精确值	arcsin(sin((4pi)/7))	$\arcsin (\sin (\frac{4 π}{7}))$
18377	求出精确值	sin(50)^2	$\sin^{2} (50)$
18378	求出精确值	sin(2pi)^2	$\sin^{2} (2 π)$
18379	求出精确值	(tan((2pi)/5)+tan((4pi)/15))/(1-tan((2pi)/5)tan((4pi)/15))	$\frac{\tan (\frac{2 π}{5}) + \tan (\frac{4 π}{15})}{1 - \tan (\frac{2 π}{5}) \tan (\frac{4 π}{15})}$
18380	求出精确值	sin(90)^2	$\sin^{2} (90)$
18381	求出精确值	sin(120)^2	$\sin^{2} (120)$
18382	求出精确值	arcsin(sin((7pi)/2))	$\arcsin (\sin (\frac{7 π}{2}))$
18383	求出精确值	arcsin(sin(pi/10))	$\arcsin (\sin (\frac{π}{10}))$
18384	求出精确值	arcsin(sin(pi/12))	$\arcsin (\sin (\frac{π}{12}))$
18385	求出精确值	arcsin(sin((9pi)/5))	$\arcsin (\sin (\frac{9 π}{5}))$
18386	求出精确值	arcsin(sin(3/4))	$\arcsin (\sin (\frac{3}{4}))$
18387	求出精确值	arcsin(sin((23pi)/12))	$\arcsin (\sin (\frac{23 π}{12}))$
18388	求出精确值	arcsin(sin((13pi)/12))	$\arcsin (\sin (\frac{13 π}{12}))$
18389	求出精确值	arcsin(sin((13pi)/6))	$\arcsin (\sin (\frac{13 π}{6}))$
18390	求出精确值	arcsin(cot((7pi)/4))	$\arcsin (\cot (\frac{7 π}{4}))$
18391	求出精确值	arcsin(cos((7pi)/4))	$\arcsin (\cos (\frac{7 π}{4}))$
18392	求出精确值	arcsin(cos((-4pi)/3))	$\arcsin (\cos (\frac{- 4 π}{3}))$
18393	求出精确值	arcsin(cos((5pi)/3))	$\arcsin (\cos (\frac{5 π}{3}))$
18394	求出精确值	arcsin(60)	$\arcsin (60)$
18395	求出精确值	arcsin(5)	$\arcsin (5)$
18396	求出精确值	arcsin(45)	$\arcsin (45)$
18397	求出精确值	arcsin(cos((-22pi)/7))	$\arcsin (\cos (\frac{- 22 π}{7}))$
18398	求出精确值	arcsin(-0.79)	$\arcsin (- 0.79)$
18399	求出精确值	arcsin(-0.7)	$\arcsin (- 0.7)$
18400	求出精确值	arcsin(-0.83)	$\arcsin (- 0.83)$