Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
20001	Find the Reference Angle	-pi/40	$- \frac{π}{40}$
20002	Find the Reference Angle	0 degrees	$0 °$
20003	Find the Reference Angle	(-4pi)/3	$\frac{- 4 π}{3}$
20004	Find the Reference Angle	-3pi	$- 3 π$
20005	Find the Reference Angle	111 degrees	$111 °$
20006	Find the Reference Angle	1110 degrees	$1110 °$
20007	Find the Reference Angle	113	$113$
20008	Find the Reference Angle	-115 degrees	$- 115 °$
20009	Find the Reference Angle	1100	$1100$
20010	Find the Reference Angle	-114 degrees	$- 114 °$
20011	Find the Reference Angle	114	$114$
20012	Find the Reference Angle	12 degrees	$12 °$
20013	Find the Reference Angle	119 degrees	$119 °$
20014	Find the Reference Angle	-125 degrees	$- 125 °$
20015	Find the Reference Angle	1230	$1230$
20016	Find the Reference Angle	-144 degrees	$- 144 °$
20017	Find the Reference Angle	-142 degrees	$- 142 °$
20018	Find the Reference Angle	1380 degrees	$1380 °$
20019	Find the Reference Angle	(9pi)/5	$\frac{9 π}{5}$
20020	Find the Reference Angle	1260	$1260$
20021	Find the Reference Angle	133	$133$
20022	Find the Reference Angle	-(26pi)/9	$- \frac{26 π}{9}$
20023	Find the Reference Angle	(27pi)/4	$\frac{27 π}{4}$
20024	Find the Reference Angle	(28pi)/15	$\frac{28 π}{15}$
20025	Find the Reference Angle	(29pi)/3	$\frac{29 π}{3}$
20026	Find the Reference Angle	-(25pi)/6	$- \frac{25 π}{6}$
20027	Find the Reference Angle	(35pi)/4	$\frac{35 π}{4}$
20028	Find the Reference Angle	-(35pi)/4	$- \frac{35 π}{4}$
20029	Find the Reference Angle	(35pi)/9	$\frac{35 π}{9}$
20030	Find the Reference Angle	-(35pi)/9	$- \frac{35 π}{9}$
20031	Find the Reference Angle	-(31pi)/4	$- \frac{31 π}{4}$
20032	Find the Reference Angle	(31pi)/5	$\frac{31 π}{5}$
20033	Find the Reference Angle	(31pi)/9	$\frac{31 π}{9}$
20034	Find the Reference Angle	-(31pi)/9	$- \frac{31 π}{9}$
20035	Find the Reference Angle	525 degrees	$525 °$
20036	Find the Reference Angle	(33pi)/4	$\frac{33 π}{4}$
20037	Find the Reference Angle	-(19pi)/18	$- \frac{19 π}{18}$
20038	Find the Reference Angle	(19pi)/12	$\frac{19 π}{12}$
20039	Find the Reference Angle	324 degrees	$324 °$
20040	Find the Reference Angle	(19pi)/5	$\frac{19 π}{5}$
20041	Find the Reference Angle	(20pi)/7	$\frac{20 π}{7}$
20042	Find the Reference Angle	350 degrees	$350 °$
20043	Find the Reference Angle	-55 degrees	$- 55 °$
20044	Find the Reference Angle	-(25pi)/4	$- \frac{25 π}{4}$
20045	Find the Reference Angle	159 degrees	$159 °$
20046	Find the Reference Angle	(41pi)/6	$\frac{41 π}{6}$
20047	Find the Reference Angle	(37pi)/6	$\frac{37 π}{6}$
20048	Find the Reference Angle	(3pi)/16	$\frac{3 π}{16}$
20049	Find the Reference Angle	-(3pi)/5	$- \frac{3 π}{5}$
20050	Find the Reference Angle	(39pi)/4	$\frac{39 π}{4}$
20051	Find the Reference Angle	-(3pi)/10	$- \frac{3 π}{10}$
20052	Find the Reference Angle	(52pi)/5	$\frac{52 π}{5}$
20053	Find the Reference Angle	-(47pi)/6	$- \frac{47 π}{6}$
20054	Find the Reference Angle	(49pi)/2	$\frac{49 π}{2}$
20055	Find the Reference Angle	(5pi)/9	$\frac{5 π}{9}$
20056	Find the Reference Angle	-(7pi)/5	$- \frac{7 π}{5}$
20057	Find the Reference Angle	-(6pi)/5	$- \frac{6 π}{5}$
20058	Find the Reference Angle	-(61pi)/6	$- \frac{61 π}{6}$
20059	Find the Reference Angle	-(9pi)/11	$- \frac{9 π}{11}$
20060	Find the Reference Angle	-(9pi)/8	$- \frac{9 π}{8}$
20061	Find the Reference Angle	(17pi)/8	$\frac{17 π}{8}$
20062	Find the Reference Angle	(17pi)/2	$\frac{17 π}{2}$
20063	Find the Reference Angle	(17pi)/10	$\frac{17 π}{10}$
20064	Find the Reference Angle	-(16pi)/5	$- \frac{16 π}{5}$
20065	Find the Reference Angle	-(15pi)/7	$- \frac{15 π}{7}$
20066	Find the Reference Angle	-(13pi)/3	$- \frac{13 π}{3}$
20067	Find the Reference Angle	-(13pi)/4	$- \frac{13 π}{4}$
20068	Find the Reference Angle	(13pi)/15	$\frac{13 π}{15}$
20069	Find the Reference Angle	(13pi)/18	$\frac{13 π}{18}$
20070	Find the Reference Angle	(8pi)/7	$\frac{8 π}{7}$
20071	Find the Reference Angle	-217 degrees	$- 217 °$
20072	Find the Reference Angle	705 degrees	$705 °$
20073	Find the Reference Angle	-(11pi)/4	$- \frac{11 π}{4}$
20074	Find the Reference Angle	(31pi)/6	$\frac{31 π}{6}$
20075	Find the Reference Angle	(12pi)/7	$\frac{12 π}{7}$
20076	Find the Reference Angle	(11pi)/10	$\frac{11 π}{10}$
20077	Find the Reference Angle	127 degrees	$127 °$
20078	Find the Reference Angle	4.7	$4.7$
20079	Find the Reference Angle	(14p)/3	$\frac{14 p}{3}$
20080	Find the Reference Angle	(35p)/6	$\frac{35 p}{6}$
20081	Find the Reference Angle	-(2p)/3	$- \frac{2 p}{3}$
20082	Find the Reference Angle	(31p)/6	$\frac{31 p}{6}$
20083	Find the Reference Angle	(13p)/3	$\frac{13 p}{3}$
20084	Expand Using Sum/Difference Formulas	tan(60)	$\tan (60)$
20085	Expand Using Sum/Difference Formulas	tan(65)	$\tan (65)$
20086	Expand Using Sum/Difference Formulas	tan(45)	$\tan (45)$
20087	Expand Using Sum/Difference Formulas	tan(-300)	$\tan (- 300)$
20088	Expand Using Sum/Difference Formulas	tan(300+60)	$\tan (300 + 60)$
20089	Expand Using Sum/Difference Formulas	tan(x)	$\tan (x)$
20090	Expand Using Sum/Difference Formulas	sin(20)sin(17)	$\sin (20) \sin (17)$
20091	Expand Using Sum/Difference Formulas	sin(210)	$\sin (210)$
20092	Expand Using Sum/Difference Formulas	sin(150)	$\sin (150)$
20093	Expand Using Sum/Difference Formulas	sin(19)	$\sin (19)$
20094	Expand Using Sum/Difference Formulas	sin(195)	$\sin (195)$
20095	Expand Using Sum/Difference Formulas	sin(180)	$\sin (180)$
20096	Expand Using Sum/Difference Formulas	sin(2x)	$\sin (2 x)$
20097	Expand Using Sum/Difference Formulas	sin(40)	$\sin (40)$
20098	Expand Using Sum/Difference Formulas	sin(32)	$\sin (32)$
20099	Expand Using Sum/Difference Formulas	sin(-105)	$\sin (- 105)$
20100	Expand Using Sum/Difference Formulas	sin(pi/4+pi/3)	$\sin (\frac{π}{4} + \frac{π}{3})$