Popular Lượng giác Problems

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Phổ biến Lượng giác Các bài toán

arctan(3/2)	\arctan(\frac{3}{2})
cos^2(2pi)	\cos^{2}(2π)
tan(-pi)	\tan(-π)
sin(x)(tan(x))=sec(x)-cos(x)	\sin(x)(\tan(x))=\sec(x)-\cos(x)
sin(26.5)	\sin(26.5^{\circ\:})
sin((pi+2i)/2)	\sin(\frac{π+2i}{2})
sin(28/35)	\sin(\frac{28}{35})
60*cos(60)	60\cdot\:\cos(60^{\circ\:})
26*sin(45)	26\cdot\:\sin(45^{\circ\:})
(2tan(105))/(1-tan^2(105))	\frac{2\tan(105^{\circ\:})}{1-\tan^{2}(105^{\circ\:})}
-sin(2 pi/(12))*2	-\sin(2\frac{π}{12})\cdot\:2
cos(5*pi/2)	\cos(5\cdot\:\frac{π}{2})
sin(45)+sin(45)	\sin(45^{\circ\:})+\sin(45^{\circ\:})
arcsin(1/(1.25))	\arcsin(\frac{1}{1.25})
arctan(sec(0))	\arctan(\sec(0))
sin(-0.9)	\sin(-0.9)
arctan((-1.5)/(-2))	\arctan(\frac{-1.5}{-2})
sin(-0.2)	\sin(-0.2)
-5+10sin^2(6)	-5+10\sin^{2}(6)
56sin(70)	56\sin(70^{\circ\:})
35cos(40)	35\cos(40^{\circ\:})
sin(pi/(2/2))	\sin(\frac{π}{\frac{2}{2}})
600*cos(30)	600\cdot\:\cos(30^{\circ\:})
sin(25)	\sin(25^{\circ\:})
cos(-0.001)	\cos(-0.001)
6sin(160)+4sin(290)	6\sin(160^{\circ\:})+4\sin(290^{\circ\:})
csc(arctan(-12/5))	\csc(\arctan(-\frac{12}{5}))
cot(180/34)	\cot(\frac{180}{34})
cos^2(6)-sin^2(6)	\cos^{2}(6)-\sin^{2}(6)
sin(1/4)pi	\sin(\frac{1}{4})π
tan(5.7)	\tan(5.7)
sin(arcsin(0)+arccos((sqrt(3))/2))	\sin(\arcsin(0)+\arccos(\frac{\sqrt{3}}{2}))
sin(29)tan(46)	\sin(29^{\circ\:})\tan(46^{\circ\:})
sqrt(2)(cos((3pi)/4)+isin((3pi)/4))	\sqrt{2}(\cos(\frac{3π}{4})+i\sin(\frac{3π}{4}))
arctan(1/(\frac{1){sqrt(3)}})	\arctan(\frac{1}{\frac{1}{\sqrt{3}}})
2cos((5pi)/2)	2\cos(\frac{5π}{2})
sec(pi/4)tan(pi/4)-sqrt(2)sec^2(pi/4)	\sec(\frac{π}{4})\tan(\frac{π}{4})-\sqrt{2}\sec^{2}(\frac{π}{4})
5/(tan(40))	\frac{5}{\tan(40^{\circ\:})}
cos((1pi)/3)	\cos(\frac{1π}{3})
sec(arctan(-8))	\sec(\arctan(-8))
10*cos(35)	10\cdot\:\cos(35^{\circ\:})
sin(arctan(0))	\sin(\arctan(0))
cos(38.3)	\cos(38.3^{\circ\:})
4sin^2(pi)	4\sin^{2}(π)
arccos(2/8)	\arccos(\frac{2}{8})
tan(165)	\tan(165^{\circ\:})
sqrt((9.8(10))/(2pi)tanh(2pi 8/10))	\sqrt{\frac{9.8(10)}{2π}\tanh(2π\frac{8}{10})}
sec(arctan(5/12))	\sec(\arctan(\frac{5}{12}))
sin(210\circ)	\sin(210\circ\:)
(tan(pi))/(12)	\frac{\tan(π)}{12}
2(cos(150)+isin(150))	2(\cos(150^{\circ\:})+i\sin(150^{\circ\:}))
(1-cos(315))/(sin(315))	\frac{1-\cos(315^{\circ\:})}{\sin(315^{\circ\:})}
3/(sin(30))	\frac{3}{\sin(30^{\circ\:})}
7(cos(120)+isin(120))	7(\cos(120^{\circ\:})+i\sin(120^{\circ\:}))
90tan(63)	90\tan(63^{\circ\:})
arcsin(1/(sqrt(7)))	\arcsin(\frac{1}{\sqrt{7}})
sin(70)	\sin(70^{\circ\:})
cos(25)cos(5)-sin(25)sin(5)	\cos(25^{\circ\:})\cos(5^{\circ\:})-\sin(25^{\circ\:})\sin(5^{\circ\:})
(cos(5pi))/(12)	\frac{\cos(5π)}{12}
arctan((1.5)/6)	\arctan(\frac{1.5}{6})
arctan((3sqrt(3))/2)	\arctan(\frac{3\sqrt{3}}{2})
csc((31pi)/6)	\csc(\frac{31π}{6})
arccos((5pi)/6)	\arccos(\frac{5π}{6})
sin(arcsin(7/25)+arccos(-4/5))	\sin(\arcsin(\frac{7}{25})+\arccos(-\frac{4}{5}))
sin(25pi)	\sin(25π)
sin(1290)	\sin(1290^{\circ\:})
sinh(ln(3/2))	\sinh(\ln(\frac{3}{2}))
sin(75)cos(15)	\sin(75^{\circ\:})\cos(15^{\circ\:})
arccos(47/58)	\arccos(\frac{47}{58})
sinh(30)	\sinh(30)
arcsin(sin((3pi)/8))	\arcsin(\sin(\frac{3π}{8}))
e^0+cos(0)	e^{0}+\cos(0)
sin^2(4pi)	\sin^{2}(4π)
sinh(20)	\sinh(20)
arccos(-0.08)	\arccos(-0.08)
arccos(-0.12)	\arccos(-0.12)
sin(119)	\sin(119^{\circ\:})
cos(2(0))*2	\cos(2(0))\cdot\:2
arctan(-2)	\arctan(-2)
3sin(50)	3\sin(50^{\circ\:})
3cos(80)	3\cos(80^{\circ\:})
4cos(25)	4\cos(25^{\circ\:})
arccos(-0.47)	\arccos(-0.47)
-4cos(2(0))	-4\cos(2(0))
16sin(40)	16\sin(40^{\circ\:})
arccos(-0.81)	\arccos(-0.81)
tan((8pi)/6)	\tan(\frac{8π}{6})
cos(-255)	\cos(-255^{\circ\:})
sec(-pi/3)tan(-pi/3)	\sec(-\frac{π}{3})\tan(-\frac{π}{3})
cos(35)	\cos(35^{\circ\:})
sec(16)	\sec(16^{\circ\:})
2pi-2sin(2pi)	2π-2\sin(2π)
sin(5)-sin(1)	\sin(5)-\sin(1)
cos(3)(pi/6)	\cos(3)(\frac{π}{6})
arctan(-1/(-1))	\arctan(-\frac{1}{-1})
4/(cos(30))	\frac{4}{\cos(30^{\circ\:})}
arcsec(3)-arcsec(5/3)	\arcsec(3)-\arcsec(\frac{5}{3})
3+2cos(pi/2)	3+2\cos(\frac{π}{2})
sin(5/13-3/5)	\sin(\frac{5}{13}-\frac{3}{5})
tan(arcsin(12/25)+arctan(12/7))	\tan(\arcsin(\frac{12}{25})+\arctan(\frac{12}{7}))

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