Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
1301	Solve for ?	2cos(x)+1=0	$2 \cos (x) + 1 = 0$
1302	Solve for ?	x=(2pi)/3	$x = \frac{2 π}{3}$
1303	Solve for ?	x=(7pi)/6	$x = \frac{7 π}{6}$
1304	Solve for ?	x=(7pi)/4	$x = \frac{7 π}{4}$
1305	Solve for ?	x=pi/2	$x = \frac{π}{2}$
1306	Solve for x	2sin(x)^2+sin(x)=1	$2 \sin^{2} (x) + \sin (x) = 1$
1307	Solve for x	4sin(x)^2=1	$4 \sin^{2} (x) = 1$
1308	Solve for x	2sin(x)=1	$2 \sin (x) = 1$
1309	Solve for x	15arcsin(x)=5pi	$15 \arcsin (x) = 5 π$
1310	Solve for x	natural log of x-6+ natural log of x-5 = natural log of 16-2x	$\ln (x - 6) + \ln (x - 5) = \ln (16 - 2 x)$
1311	Solve for x	sin(x)+2sin(x)cos(x)=0	$\sin (x) + 2 \sin (x) \cos (x) = 0$
1312	Solve for x	sin(x)=2	$\sin (x) = 2$
1313	Solve for x	sin(x)=3/5	$\sin (x) = \frac{3}{5}$
1314	Find the Other Trig Values in Quadrant III	cos(theta)=-3/5	$\cos (θ) = - \frac{3}{5}$
1315	Find the Other Trig Values in Quadrant II	cos(x)=-5/13	$\cos (x) = - \frac{5}{13}$
1316	Simplify	sin(arctan(- square root of 3))	$\sin (\arctan (- \sqrt{3}))$
1317	Simplify	-3/( square root of 3)	$- \frac{3}{\sqrt{3}}$
1318	Simplify	(2 square root of 3)/( square root of 3)	$\frac{2 \sqrt{3}}{\sqrt{3}}$
1319	Simplify	(sin(theta)-cos(theta))-(sin(theta)+cos(theta))^2	$(\sin (θ) - \cos (θ)) - {(\sin (θ) + \cos (θ))}^{2}$
1320	Simplify	sin(theta)+sin(theta+2pi)+sin(theta+4pi)	$\sin (θ) + \sin (θ + 2 π) + \sin (θ + 4 π)$
1321	Simplify	sec(theta)^2-tan(theta)^2	$\sec^{2} (θ) - \tan^{2} (θ)$
1322	Simplify	cos(pi/12)	$\cos (\frac{π}{12})$
1323	Simplify	(2pi)/(pi/2)	$\frac{2 π}{\frac{π}{2}}$
1324	Simplify	1/(cos(theta))-cos(theta)	$\frac{1}{\cos (θ)} - \cos (θ)$
1325	Simplify	cot(arctan(x))	$\cot (\arctan (x))$
1326	Simplify	cos(2theta)^2-sin(2theta)^2	$\cos^{2} (2 θ) - \sin^{2} (2 θ)$
1327	Simplify	sin((7pi)/4)	$\sin (\frac{7 π}{4})$
1328	Simplify	sin(pi/12)	$\sin (\frac{π}{12})$
1329	Simplify	(csc(t))/(sec(t))	$\frac{\csc (t)}{\sec (t)}$
1330	Simplify	(sin(theta)^3+cos(theta)^3)/(sin(theta)+cos(theta))	$\frac{\sin^{3} (θ) + \cos^{3} (θ)}{\sin (θ) + \cos (θ)}$
1331	Simplify	square root of 143	$\sqrt{143}$
1332	Simplify	square root of 850	$\sqrt{850}$
1333	Simplify	tan(pi)	$\tan (π)$
1334	Simplify	sin(t+2pi)	$\sin (t + 2 π)$
1335	Simplify	tan((3pi)/4)	$\tan (\frac{3 π}{4})$
1336	Simplify	square root of 35/36	$\sqrt{\frac{35}{36}}$
1337	Simplify	sin(x+y)	$\sin (x + y)$
1338	Simplify	sin((3pi)/4)	$\sin (\frac{3 π}{4})$
1339	Simplify	csc(theta)-sin(theta)	$\csc (θ) - \sin (θ)$
1340	Simplify	cot(pi/2-theta)	$\cot (\frac{π}{2} - θ)$
1341	Simplify	csc(theta)^2-cot(theta)^2	$\csc^{2} (θ) - \cot^{2} (θ)$
1342	Simplify	sec(2x)	$\sec (2 x)$
1343	Simplify	square root of 507	$\sqrt{507}$
1344	Simplify	(1/4)/(( square root of 15)/4)	$\frac{\frac{1}{4}}{\frac{\sqrt{15}}{4}}$
1345	Simplify	(-4-1)^2+(15-10)^2	${(- 4 - 1)}^{2} + {(15 - 10)}^{2}$
1346	Simplify	( square root of 3)/( square root of 22)	$\frac{\sqrt{3}}{\sqrt{22}}$
1347	Simplify	cot(pi/3)	$\cot (\frac{π}{3})$
1348	Evaluate	sin(2pi)	$\sin (2 π)$
1349	Evaluate	cos(150 degrees )	$\cos (150 °)$
1350	Find the Domain	y=3sin(x)	$y = 3 \sin (x)$
1351	Simplify	tan(arcsin(( square root of 3)/2))	$\tan (\arcsin (\frac{\sqrt{3}}{2}))$
1352	Simplify	tan(-( square root of 3)/3)	$\tan (- \frac{\sqrt{3}}{3})$
1353	Simplify	cos(-( square root of 3)/2)	$\cos (- \frac{\sqrt{3}}{2})$
1354	Simplify	arccos((- square root of 2)/2)	$\arccos (\frac{- \sqrt{2}}{2})$
1355	Find the Other Trig Values in Quadrant I	cos(theta)=4/5	$\cos (θ) = \frac{4}{5}$
1356	Find the Other Trig Values in Quadrant I	tan(theta)=1	$\tan (θ) = 1$
1357	Find All Complex Number Solutions	z=2-2i	$z = 2 - 2 i$
1358	Solve for x	sec(x)=-2	$\sec (x) = - 2$
1359	Solve for x	x(tan(44)-tan(28))=470tan(28)	$x (\tan (44) - \tan (28)) = 470 \tan (28)$
1360	Solve for x	3sin(x)-2cos(x)=1	$3 \sin (x) - 2 \cos (x) = 1$
1361	Solve for x	cos(2x)+cos(x)=0	$\cos (2 x) + \cos (x) = 0$
1362	Solve for x	cot(x)=1	$\cot (x) = 1$
1363	Solve for x	cos(2x)+ square root of 2sin(x)=1	$\cos (2 x) + \sqrt{2} \sin (x) = 1$
1364	Solve for x	y = square root of 3x	$y = \sqrt{3 x}$
1365	Solve for x	cos(2x)-sin(x)=1	$\cos (2 x) - \sin (x) = 1$
1366	Solve for x	cos(x)^2-cos(x)=0	$\cos^{2} (x) - \cos (x) = 0$
1367	Solve for ?	x=(5pi)/6	$x = \frac{5 π}{6}$
1368	Solve for ?	1+sin(x)=2cos(x)^2	$1 + \sin (x) = 2 \cos^{2} (x)$
1369	Solve for ?	sec(x) = square root of 2	$\sec (x) = \sqrt{2}$
1370	Solve for ?	sec(x)=- square root of 2	$\sec (x) = - \sqrt{2}$
1371	Solve for ?	tan(x)=2	$\tan (x) = 2$
1372	Simplify	(cos(x)^2)/(1-sin(x))	$\frac{\cos^{2} (x)}{1 - \sin (x)}$
1373	Simplify	arccos(0)	$\arccos (0)$
1374	Simplify	csc(x)^2-1	$\csc^{2} (x) - 1$
1375	Simplify	(sin(x))/(cos(x))+(cos(x))/(1+sin(x))	$\frac{\sin (x)}{\cos (x)} + \frac{\cos (x)}{1 + \sin (x)}$
1376	Simplify	sin(x)^2cos(x)^2	$\sin^{2} (x) \cos^{2} (x)$
1377	Simplify	(sec(x)-cos(x))/(tan(x))	$\frac{\sec (x) - \cos (x)}{\tan (x)}$
1378	Simplify	tan(x)^2-sin(x)^2	$\tan^{2} (x) - \sin^{2} (x)$
1379	Simplify	tan(x)^4+2tan(x)^2+1	$\tan^{4} (x) + 2 \tan^{2} (x) + 1$
1380	Simplify	(1+cos(x))(1-cos(x))	$(1 + \cos (x)) (1 - \cos (x))$
1381	Convert from Radians to Degrees	-13pi	$- 13 π$
1382	Find the Exact Value	cot(-120 degrees )	$\cot (- 120 °)$
1383	Solve for x	y=sin(3x-2pi)	$y = \sin (3 x - 2 π)$
1384	Evaluate	(2p)/3	$\frac{2 p}{3}$
1385	Evaluate	( square root of 2)/4+( square root of 6)/4	$\frac{\sqrt{2}}{4} + \frac{\sqrt{6}}{4}$
1386	Evaluate	cot(270 degrees )	$\cot (270 °)$
1387	Evaluate	pi/4+pi/4	$\frac{π}{4} + \frac{π}{4}$
1388	Evaluate	pi/4+2pi	$\frac{π}{4} + 2 π$
1389	Evaluate	pi/10	$\frac{π}{10}$
1390	Evaluate	arcsin(-1/2)	$\arcsin (- \frac{1}{2})$
1391	Find the Value Using the Unit Circle	tan(60 degrees )	$\tan (60 °)$
1392	Find the Value Using the Unit Circle	sin(75)	$\sin (75)$
1393	Find the Value Using the Unit Circle	sin(150)	$\sin (150)$
1394	Find the Value Using the Unit Circle	sin(20)	$\sin (20)$
1395	Find the Exact Value	cos((-pi)/4)	$\cos (\frac{- π}{4})$
1396	Find the Exact Value	arccot(- square root of 3)	$arccot (- \sqrt{3})$
1397	Find the Exact Value	cos(61)	$\cos (61)$
1398	Find the Exact Value	cos(80)	$\cos (80)$
1399	Find the Exact Value	cos(55)	$\cos (55)$
1400	Find the Exact Value	cos(450)	$\cos (450)$