Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
1101	Solve for x	4cos(x)^2=1	$4 \cos^{2} (x) = 1$
1102	Solve for x	tan(x)=-( square root of 3)/3	$\tan (x) = - \frac{\sqrt{3}}{3}$
1103	Solve for x	1=8cos(x+1)-3	$1 = 8 \cos (x + 1) - 3$
1104	Solve for ?	4sec(x)+6=-2	$4 \sec (x) + 6 = - 2$
1105	Solve for ?	4cos(x)^2=1	$4 \cos^{2} (x) = 1$
1106	Solve for ?	square root of 3cot(x)+1=0	$\sqrt{3} \cot (x) + 1 = 0$
1107	Solve for ?	2sin(x)^2-1=0	$2 \sin^{2} (x) - 1 = 0$
1108	Solve for ?	cot(x)=-1	$\cot (x) = - 1$
1109	Simplify	1/(1+sin(x))-1/(1-sin(x))	$\frac{1}{1 + \sin (x)} - \frac{1}{1 - \sin (x)}$
1110	Simplify	(sec(theta))/(csc(theta))	$\frac{\sec (θ)}{\csc (θ)}$
1111	Simplify	csc(x)^4-cot(x)^4	$\csc^{4} (x) - \cot^{4} (x)$
1112	Simplify	(-1/2)/(-( square root of 3)/2)	$\frac{- \frac{1}{2}}{- \frac{\sqrt{3}}{2}}$
1113	Simplify	(5pi)/3	$\frac{5 π}{3}$
1114	Simplify	(1/2)/(-( square root of 3)/2)	$\frac{\frac{1}{2}}{- \frac{\sqrt{3}}{2}}$
1115	Simplify	tan(x)+cot(x)	$\tan (x) + \cot (x)$
1116	Simplify	(sin(x)-cos(x))^2	${(\sin (x) - \cos (x))}^{2}$
1117	Simplify	(1/(cos(theta)))/(1/(sin(theta)))	$\frac{\frac{1}{\cos (θ)}}{\frac{1}{\sin (θ)}}$
1118	Simplify	-1/( square root of 3)	$\frac{- 1}{\sqrt{3}}$
1119	Simplify	tan(x)^2-tan(x)^2sin(x)^2	$\tan^{2} (x) - \tan^{2} (x) \sin^{2} (x)$
1120	Simplify	1/(sin(theta))-1/(cos(theta))	$\frac{1}{\sin (θ)} - \frac{1}{\cos (θ)}$
1121	Evaluate	sin(45 degrees )^2+cos(30 degrees )^2	$\sin^{2} (45 °) + \cos^{2} (30 °)$
1122	Find the Value Using the Unit Circle	sin(pi/4)	$\sin (\frac{π}{4})$
1123	Find the Value Using the Unit Circle	tan(45)	$\tan (45)$
1124	Find the Value Using the Unit Circle	cos(-1.9967)	$\cos (- 1.9967)$
1125	Find the Exact Value	cos(-1)	$\cos (- 1)$
1126	Find the Exact Value	cos(pi/4+pi/6)	$\cos (\frac{π}{4} + \frac{π}{6})$
1127	Find the Exact Value	cos(36)	$\cos (36)$
1128	Find the Exact Value	cos(6pi)	$\cos (6 π)$
1129	Find the Exact Value	cos(6)	$\cos (6)$
1130	Find the Exact Value	cos(570)	$\cos (570)$
1131	Find the Exact Value	cos(510)	$\cos (510)$
1132	Find the Exact Value	csc((7pi)/3)	$\csc (\frac{7 π}{3})$
1133	Find the Exact Value	csc(-pi/2)	$\csc (- \frac{π}{2})$
1134	Find the Exact Value	tan(-30 degrees )	$\tan (- 30 °)$
1135	Find the Exact Value	sin((13pi)/4)	$\sin (\frac{13 π}{4})$
1136	Find the Exact Value	sec((11pi)/4)	$\sec (\frac{11 π}{4})$
1137	Find the Exact Value	csc(660)	$\csc (660)$
1138	Find the Exact Value	sin(-pi/4)	$\sin (- \frac{π}{4})$
1139	Find the Exact Value	sin(100)	$\sin (100)$
1140	Find the Exact Value	cos(270 degrees )	$\cos (270 °)$
1141	Find the Exact Value	tan(180)	$\tan (180)$
1142	Find the Exact Value	tan(3)	$\tan (3)$
1143	Find the Exact Value	tan((11pi)/4)	$\tan (\frac{11 π}{4})$
1144	Find the Exact Value	tan((19pi)/6)	$\tan (\frac{19 π}{6})$
1145	Find the Exact Value	tan((5pi)/3-pi/4)	$\tan (\frac{5 π}{3} - \frac{π}{4})$
1146	Find the Exact Value	sin(-pi/6)	$\sin (- \frac{π}{6})$
1147	Find the Exact Value	sin(42)	$\sin (42)$
1148	Find the Exact Value	sin(58)	$\sin (58)$
1149	Find the Value Using the Unit Circle	tan(pi/2)	$\tan (\frac{π}{2})$
1150	Find the Value Using the Unit Circle	tan(2pi)	$\tan (2 π)$
1151	Find the Value Using the Unit Circle	arctan(-1)	$\arctan (- 1)$
1152	Expand the Trigonometric Expression	cos(3x)	$\cos (3 x)$
1153	Find the Exact Value	tan(0 degrees )	$\tan (0 °)$
1154	Find the Exact Value	cot(225 degrees )	$\cot (225 °)$
1155	Verify the Identity	tan(x)+(cos(x))/(1+sin(x))=1/(cos(x))	$\tan (x) + \frac{\cos (x)}{1 + \sin (x)} = \frac{1}{\cos (x)}$
1156	Verify the Identity	(tan(x))/(sec(x))=sin(x)	$\frac{\tan (x)}{\sec (x)} = \sin (x)$
1157	Verify the Identity	cot(x)+tan(x)=sec(x)csc(x)	$\cot (x) + \tan (x) = \sec (x) \csc (x)$
1158	Verify the Identity	cos(x)csc(x)=cot(x)	$\cos (x) \csc (x) = \cot (x)$
1159	Verify the Identity	cos(x)tan(x)=sin(x)	$\cos (x) \tan (x) = \sin (x)$
1160	Find the Reference Angle	330	$330$
1161	Find the Reference Angle	-120 degrees	$- 120 °$
1162	Expand Using Sum/Difference Formulas	sin((7pi)/12)	$\sin (\frac{7 π}{12})$
1163	Find Amplitude, Period, and Phase Shift	y=tan(x+pi/2)	$y = \tan (x + \frac{π}{2})$
1164	Expand Using Sum/Difference Formulas	cos(195)	$\cos (195)$
1165	Convert from Degrees to Radians	360 degrees	$360 °$
1166	Convert from Degrees to Radians	39	$39$
1167	Convert from Degrees to Radians	600	$600$
1168	Convert from Degrees to Radians	-120 degrees	$- 120 °$
1169	Convert from Degrees to Radians	160 degrees	$160 °$
1170	Evaluate	sin(-45 degrees )	$\sin (- 45 °)$
1171	Convert from Degrees to Radians	-270 degrees	$- 270 °$
1172	Convert from Degrees to Radians	280	$280$
1173	Find Amplitude, Period, and Phase Shift	f(x)=3sin(x)	$f (x) = 3 \sin (x)$
1174	Convert from Radians to Degrees	-4p	$- 4 p$
1175	Convert from Radians to Degrees	(19pi)/6	$\frac{19 π}{6}$
1176	Convert from Radians to Degrees	(10pi)/9	$\frac{10 π}{9}$
1177	Convert from Radians to Degrees	(5p)/6	$\frac{5 p}{6}$
1178	Convert from Radians to Degrees	(17pi)/6	$\frac{17 π}{6}$
1179	Convert from Radians to Degrees	(7pi)/9	$\frac{7 π}{9}$
1180	Convert from Radians to Degrees	-10pi	$- 10 π$
1181	Convert to Polar Coordinates	(-4,-4)	$(- 4, - 4)$
1182	Convert to Polar Coordinates	(2,pi)	$(2, π)$
1183	Evaluate	cos(-45 degrees )	$\cos (- 45 °)$
1184	Evaluate	arctan(1)	$\arctan (1)$
1185	Evaluate	cot(30 degrees )	$\cot (30 °)$
1186	Evaluate	pi-pi/4	$π - \frac{π}{4}$
1187	Evaluate	(tan(45 degrees )+tan(60 degrees ))^2	${(\tan (45 °) + \tan (60 °))}^{2}$
1188	Convert to Trigonometric Form	2-2i	$2 - 2 i$
1189	Convert to Trigonometric Form	-5i	$- 5 i$
1190	Evaluate	square root of 49	$\sqrt{49}$
1191	Find the Sine Given the Point	(5,12)	$(5, 12)$
1192	Find the Tangent Given the Point	(-7,24)	$(- 7, 24)$
1193	Find the Cosine Given the Point	(3,4)	$(3, 4)$
1194	Graph	y=-cot(x)	$y = - \cot (x)$
1195	Graph	y=tan(x/2)	$y = \tan (\frac{x}{2})$
1196	Graph	y=csc(2x)	$y = \csc (2 x)$
1197	Graph	y=cos(x+3)	$y = \cos (x + 3)$
1198	Graph	y=4sin(2x)	$y = 4 \sin (2 x)$
1199	Graph	y=cos(5x)	$y = \cos (5 x)$
1200	Graph	y=sin(x-pi)	$y = \sin (x - π)$