Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
18001	Find the Exact Value	sin(60+180)	$\sin (60 + 180)$
18002	Find the Exact Value	sin(65.5)	$\sin (65.5)$
18003	Find the Exact Value	sin(659)	$\sin (659)$
18004	Find the Exact Value	sin(63)csc(63)	$\sin (63) \csc (63)$
18005	Find the Exact Value	sin(630)	$\sin (630)$
18006	Find the Exact Value	sin(59)	$\sin (59)$
18007	Find the Exact Value	sin(-585)	$\sin (- 585)$
18008	Find the Exact Value	sin(53)	$\sin (53)$
18009	Find the Exact Value	sin(-540)	$\sin (- 540)$
18010	Find the Exact Value	sin(57.77)	$\sin (57.77)$
18011	Expand the Trigonometric Expression	sec(2x)	$\sec (2 x)$
18012	Expand the Trigonometric Expression	sec(arccos(x))	$\sec (\arccos (x))$
18013	Expand the Trigonometric Expression	sin(x+2kpi)	$\sin (x + 2 k π)$
18014	Expand the Trigonometric Expression	sin(x+90)	$\sin (x + 90)$
18015	Expand the Trigonometric Expression	-sin(x)	$- \sin (x)$
18016	Expand the Trigonometric Expression	sec(x)csc(x)	$\sec (x) \csc (x)$
18017	Expand the Trigonometric Expression	sin(x/2)cos(x/2)	$\sin (\frac{x}{2}) \cos (\frac{x}{2})$
18018	Expand the Trigonometric Expression	sin(x)tan(x)	$\sin (x) \tan (x)$
18019	Expand the Trigonometric Expression	sin(x+pi/6)	$\sin (x + \frac{π}{6})$
18020	Expand the Trigonometric Expression	sin(1/2x)	$\sin (\frac{1}{2} x)$
18021	Expand the Trigonometric Expression	sin(12/13)	$\sin (\frac{12}{13})$
18022	Expand the Trigonometric Expression	sin(arcsin(x)-arccos(x))	$\sin (\arcsin (x) - \arccos (x))$
18023	Expand the Trigonometric Expression	sin(arcsin(2x)+arccos(2x))	$\sin (\arcsin (2 x) + \arccos (2 x))$
18024	Expand the Trigonometric Expression	sin(pi/4+x)	$\sin (\frac{π}{4} + x)$
18025	Expand the Trigonometric Expression	sin((5pi)/12)cos(pi/3)+cos((5pi)/12)sin(pi/3)	$\sin (\frac{5 π}{12}) \cos (\frac{π}{3}) + \cos (\frac{5 π}{12}) \sin (\frac{π}{3})$
18026	Expand the Trigonometric Expression	sin((11pi)/12)	$\sin (\frac{11 π}{12})$
18027	Expand the Trigonometric Expression	sin(pi/12)cos((7pi)/12)-cos(pi/12)sin((7pi)/12)	$\sin (\frac{π}{12}) \cos (\frac{7 π}{12}) - \cos (\frac{π}{12}) \sin (\frac{7 π}{12})$
18028	Expand the Trigonometric Expression	sin(pi/2-x)	$\sin (\frac{π}{2} - x)$
18029	Expand the Trigonometric Expression	sin((7pi)/8)	$\sin (\frac{7 π}{8})$
18030	Expand the Trigonometric Expression	sin((5pi)/6+x)	$\sin (\frac{5 π}{6} + x)$
18031	Expand the Trigonometric Expression	sin((7pi)/12)	$\sin (\frac{7 π}{12})$
18032	Expand the Trigonometric Expression	sin(a/2)	$\sin (\frac{a}{2})$
18033	Expand the Trigonometric Expression	sec(x)+tan(x)	$\sec (x) + \tan (x)$
18034	Expand the Trigonometric Expression	f(x)	$f (x)$
18035	Expand the Trigonometric Expression	csc(-u)	$\csc (- u)$
18036	Expand the Trigonometric Expression	csc(x)-cot(x)	$\csc (x) - \cot (x)$
18037	Expand the Trigonometric Expression	csc((11pi)/6)	$\csc (\frac{11 π}{6})$
18038	Expand the Trigonometric Expression	csc(2x)	$\csc (2 x)$
18039	Expand the Trigonometric Expression	cot(pi/2-x)cos(x)	$\cot (\frac{π}{2} - x) \cos (x)$
18040	Expand the Trigonometric Expression	cos(x+y)cos(x-y)	$\cos (x + y) \cos (x - y)$
18041	Expand the Trigonometric Expression	cos(x)+sin(x)tan(x)	$\cos (x) + \sin (x) \tan (x)$
18042	Expand the Trigonometric Expression	sin(2x+y)	$\sin (2 x + y)$
18043	Expand the Trigonometric Expression	sin(30)	$\sin (30)$
18044	Expand the Trigonometric Expression	sin(13x)cos(x)	$\sin (13 x) \cos (x)$
18045	Expand the Trigonometric Expression	sin(2u)	$\sin (2 u)$
18046	Expand the Trigonometric Expression	sin(2x)+sin(x)	$\sin (2 x) + \sin (x)$
18047	Expand the Trigonometric Expression	sin(270-x)	$\sin (270 - x)$
18048	Expand the Trigonometric Expression	sin(2A)-2sin(A)	$\sin (2 A) - 2 \sin (A)$
18049	Expand the Trigonometric Expression	sin(x/2)-sin(x/3)	$\sin (\frac{x}{2}) - \sin (\frac{x}{3})$
18050	Expand the Trigonometric Expression	sin(y/2)	$\sin (\frac{y}{2})$
18051	Expand the Trigonometric Expression	sin(2x)-tan(x)	$\sin (2 x) - \tan (x)$
18052	Expand the Trigonometric Expression	sin(8x)cos(2x)	$\sin (8 x) \cos (2 x)$
18053	Expand the Trigonometric Expression	sin(7x)-sin(3x)	$\sin (7 x) - \sin (3 x)$
18054	Expand the Trigonometric Expression	sin(45)	$\sin (45)$
18055	Expand the Trigonometric Expression	sin(6x)	$\sin (6 x)$
18056	Expand the Trigonometric Expression	sin(3x)sin(5x)	$\sin (3 x) \sin (5 x)$
18057	Expand the Trigonometric Expression	sin(2x)sin(x)-cos(x)	$\sin (2 x) \sin (x) - \cos (x)$
18058	Expand the Trigonometric Expression	sin(35)	$\sin (35)$
18059	Expand the Trigonometric Expression	sin(4x)+sin(2x)	$\sin (4 x) + \sin (2 x)$
18060	Expand the Trigonometric Expression	tan(pi/4+x)	$\tan (\frac{π}{4} + x)$
18061	Expand the Trigonometric Expression	tan(arccos(8x))	$\tan (\arccos (8 x))$
18062	Expand the Trigonometric Expression	tan(arccos(u)-arcsin(v))	$\tan (\arccos (u) - \arcsin (v))$
18063	Expand the Trigonometric Expression	tan(arccos(x))	$\tan (\arccos (x))$
18064	Expand the Trigonometric Expression	sin(x+pi/4)+sin(x-pi/4)	$\sin (x + \frac{π}{4}) + \sin (x - \frac{π}{4})$
18065	Expand the Trigonometric Expression	tan(x)cot(x)	$\tan (x) \cot (x)$
18066	Expand the Trigonometric Expression	tan(x)csc(x)	$\tan (x) \csc (x)$
18067	Expand the Trigonometric Expression	tan(2x+x)	$\tan (2 x + x)$
18068	Expand the Trigonometric Expression	tan(2arccos(x))	$\tan (2 \arccos (x))$
18069	Expand the Trigonometric Expression	tan(2)	$\tan (2)$
18070	Expand the Trigonometric Expression	tan(y/2)	$\tan (\frac{y}{2})$
18071	Expand the Trigonometric Expression	tan(x+30)	$\tan (x + 30)$
18072	Expand the Trigonometric Expression	tan(arcsin(x)+arccos(y))	$\tan (\arcsin (x) + \arccos (y))$
18073	Expand the Trigonometric Expression	sin(x)cos(2x)	$\sin (x) \cos (2 x)$
18074	Expand the Trigonometric Expression	sin(x)*cos(x)	$\sin (x) \cdot \cos (x)$
18075	Expand the Trigonometric Expression	sin(x+y)	$\sin (x + y)$
18076	Expand the Trigonometric Expression	sin(x-pi)	$\sin (x - π)$
18077	Expand the Trigonometric Expression	sin(pi+x)+sin(pi-x)	$\sin (π + x) + \sin (π - x)$
18078	Expand the Trigonometric Expression	sin(pi-a)	$\sin (π - a)$
18079	Expand the Trigonometric Expression	sin(u-v)	$\sin (u - v)$
18080	Expand the Trigonometric Expression	sin(pi-x)	$\sin (π - x)$
18081	Expand the Trigonometric Expression	sin(arctan(2x)-arccos(x))	$\sin (\arctan (2 x) - \arccos (x))$
18082	Expand the Trigonometric Expression	sin(a-b)	$\sin (a - b)$
18083	Expand the Trigonometric Expression	sin(90+x)	$\sin (90 + x)$
18084	Find the Value Using the Unit Circle	cos((17pi)/8)	$\cos (\frac{17 π}{8})$
18085	Find the Value Using the Unit Circle	cos(-(18pi)/7)	$\cos (- \frac{18 π}{7})$
18086	Find the Value Using the Unit Circle	cos((19pi)/12)	$\cos (\frac{19 π}{12})$
18087	Find the Value Using the Unit Circle	cos((13pi)/8)	$\cos (\frac{13 π}{8})$
18088	Find the Value Using the Unit Circle	cos(-(11pi)/6)	$\cos (- \frac{11 π}{6})$
18089	Find the Value Using the Unit Circle	cos(20/29)	$\cos (\frac{20}{29})$
18090	Find the Value Using the Unit Circle	cos((23pi)/12)	$\cos (\frac{23 π}{12})$
18091	Find the Value Using the Unit Circle	cos(135 degrees )	$\cos (135 °)$
18092	Find the Value Using the Unit Circle	cos((2pi)/7)	$\cos (\frac{2 π}{7})$
18093	Find the Value Using the Unit Circle	cos(-(11pi)/12)	$\cos (- \frac{11 π}{12})$
18094	Find the Value Using the Unit Circle	cos(11/61)	$\cos (\frac{11}{61})$
18095	Find the Value Using the Unit Circle	cos((11pi)/3)	$\cos (\frac{11 π}{3})$
18096	Find the Value Using the Unit Circle	cos(10/3)	$\cos (\frac{10}{3})$
18097	Find the Value Using the Unit Circle	sin(210 degrees )	$\sin (210 °)$
18098	Find the Value Using the Unit Circle	cos(0.5)	$\cos (0.5)$
18099	Find the Value Using the Unit Circle	arctan(-1)[-pi/2,pi/2]	$\arctan (- 1) [- \frac{π}{2}, \frac{π}{2}]$
18100	Find the Value Using the Unit Circle	cos(-3/5)	$\cos (- \frac{3}{5})$