Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
2401	Find the Exact Value	sin(2.2)	$\sin (2.2)$
2402	Find the Exact Value	sin(7/25)	$\sin (\frac{7}{25})$
2403	Find the Exact Value	sin(arctan(-( square root of 3)/3))	$\sin (\arctan (- \frac{\sqrt{3}}{3}))$
2404	Find the Exact Value	sin((7pi)/6)cos(pi/6)	$\sin (\frac{7 π}{6}) \cos (\frac{π}{6})$
2405	Find the Exact Value	sin(pi/6+pi/4)	$\sin (\frac{π}{6} + \frac{π}{4})$
2406	Find the Exact Value	sin(-(9pi)/4)	$\sin (- \frac{9 π}{4})$
2407	Find the Exact Value	sin(-(8pi)/3)	$\sin (- \frac{8 π}{3})$
2408	Find the Exact Value	tan(arctan(6.345))	$\tan (\arctan (6.345))$
2409	Find the Exact Value	tan(53)	$\tan (53)$
2410	Find the Exact Value	tan(4)	$\tan (4)$
2411	Find the Exact Value	tan(34)	$\tan (34)$
2412	Find the Exact Value	tan(600)	$\tan (600)$
2413	Find the Exact Value	cot(-300 degrees )	$\cot (- 300 °)$
2414	Find the Exact Value	cos((9pi)/4)	$\cos (\frac{9 π}{4})$
2415	Find the Exact Value	tan(15pi)	$\tan (15 π)$
2416	Find the Exact Value	sin(40 degrees )	$\sin (40 °)$
2417	Find the Exact Value	cos(5pi)	$\cos (5 π)$
2418	Find the Exact Value	tan((11pi)/6-pi/4)	$\tan (\frac{11 π}{6} - \frac{π}{4})$
2419	Find the Exact Value	tan((11pi)/3)	$\tan (\frac{11 π}{3})$
2420	Find the Exact Value	csc(-210 degrees )	$\csc (- 210 °)$
2421	Find the Exact Value	tan((17pi)/4)	$\tan (\frac{17 π}{4})$
2422	Find the Exact Value	sec(-315 degrees )	$\sec (- 315 °)$
2423	Find the Exact Value	tan(pi/4-pi/3)	$\tan (\frac{π}{4} - \frac{π}{3})$
2424	Find the Exact Value	tan(-(9pi)/4)	$\tan (- \frac{9 π}{4})$
2425	Find the Exact Value	tan((9pi)/2)	$\tan (\frac{9 π}{2})$
2426	Find the Exact Value	tan(8/15)	$\tan (\frac{8}{15})$
2427	Find the Exact Value	tan((7pi)/4-pi/3)	$\tan (\frac{7 π}{4} - \frac{π}{3})$
2428	Find the Exact Value	cos((11pi)/4)	$\cos (\frac{11 π}{4})$
2429	Find the Exact Value	sin(81)	$\sin (81)$
2430	Find the Exact Value	sin(41)	$\sin (41)$
2431	Find the Exact Value	sin(69)	$\sin (69)$
2432	Find the Exact Value	sin(71)	$\sin (71)$
2433	Find the Exact Value	sin(75)+sin(15)	$\sin (75) + \sin (15)$
2434	Find the Exact Value	sin(-330 degrees )	$\sin (- 330 °)$
2435	Expand the Trigonometric Expression	csc(x)	$\csc (x)$
2436	Expand the Trigonometric Expression	sec(x)	$\sec (x)$
2437	Expand the Trigonometric Expression	sin(75)	$\sin (75)$
2438	Expand the Trigonometric Expression	cos(2A)	$\cos (2 A)$
2439	Expand the Trigonometric Expression	cot(x)^2	$\cot^{2} (x)$
2440	Find the Exact Value	2cos(22.5)^2-1	$2 \cos^{2} (22.5) - 1$
2441	Find the Exact Value	arctan(4)	$\arctan (4)$
2442	Find the Exact Value	cos(-(4pi)/3)	$\cos (- \frac{4 π}{3})$
2443	Find the Exact Value	cos(1/4)	$\cos (\frac{1}{4})$
2444	Find the Exact Value	cos(-(13pi)/3)	$\cos (- \frac{13 π}{3})$
2445	Find the Exact Value	cos(-(17pi)/6)	$\cos (- \frac{17 π}{6})$
2446	Find the Exact Value	cos((17pi)/8)	$\cos (\frac{17 π}{8})$
2447	Find the Exact Value	cos((14pi)/3)	$\cos (\frac{14 π}{3})$
2448	Find the Exact Value	cos(24/25)	$\cos (\frac{24}{25})$
2449	Find the Exact Value	csc(0 degrees )	$\csc (0 °)$
2450	Find the Exact Value	sec(-120 degrees )	$\sec (- 120 °)$
2451	Verify the Identity	tan(x)=(sin(x))/(cos(x))	$\tan (x) = \frac{\sin (x)}{\cos (x)}$
2452	Verify the Identity	sin(x-pi/2)=-cos(x)	$\sin (x - \frac{π}{2}) = - \cos (x)$
2453	Verify the Identity	sin(x)=cos(x)	$\sin (x) = \cos (x)$
2454	Verify the Identity	tan(x)*csc(x)=sec(x)	$\tan (x) \cdot \csc (x) = \sec (x)$
2455	Verify the Identity	sin(a+B)+sin(a-B)=2sin(a)cos(B)	$\sin (a + B) + \sin (a - B) = 2 \sin (a) \cos (B)$
2456	Find the Exact Value	(2tan(15))/(1-tan(15)^2)	$\frac{2 \tan (15)}{1 - \tan^{2} (15)}$
2457	Verify the Identity	(csc(x))/(cot(x)+tan(x))=cos(x)	$\frac{\csc (x)}{\cot (x) + \tan (x)} = \cos (x)$
2458	Verify the Identity	(sec(x))/(sin(x))-(sin(x))/(cos(x))=cot(x)	$\frac{\sec (x)}{\sin (x)} - \frac{\sin (x)}{\cos (x)} = \cot (x)$
2459	Verify the Identity	cos(x)-sec(x)=-sin(x)tan(x)	$\cos (x) - \sec (x) = - \sin (x) \tan (x)$
2460	Verify the Identity	cos(x-pi/2)=sin(x)	$\cos (x - \frac{π}{2}) = \sin (x)$
2461	Verify the Identity	2-sec(x)^2=1-tan(x)^2	$2 - \sec^{2} (x) = 1 - \tan^{2} (x)$
2462	Verify the Identity	(1-sin(x))/(cos(x))+(cos(x))/(1-sin(x))=2sec(x)	$\frac{1 - \sin (x)}{\cos (x)} + \frac{\cos (x)}{1 - \sin (x)} = 2 \sec (x)$
2463	Verify the Identity	(2cos(2x))/(sin(2x))=cot(x)-tan(x)	$\frac{2 \cos (2 x)}{\sin (2 x)} = \cot (x) - \tan (x)$
2464	Verify the Identity	(2tan(x))/(1+tan(x)^2)=sin(2x)	$\frac{2 \tan (x)}{1 + \tan^{2} (x)} = \sin (2 x)$
2465	Find the Supplement	(3pi)/8	$\frac{3 π}{8}$
2466	Find the Supplement	3	$3$
2467	Find the Complement	30 degrees	$30 °$
2468	Find the Reference Angle	-240 degrees	$- 240 °$
2469	Find the Reference Angle	160 degrees	$160 °$
2470	Find the Reference Angle	-220	$- 220$
2471	Find the Reference Angle	(13pi)/6	$\frac{13 π}{6}$
2472	Find the Reference Angle	-100	$- 100$
2473	Find the Reference Angle	(3pi)/2	$\frac{3 π}{2}$
2474	Find the Reference Angle	-(8pi)/3	$- \frac{8 π}{3}$
2475	Find the Reference Angle	(7pi)/12	$\frac{7 π}{12}$
2476	Find the Reference Angle	(19pi)/3	$\frac{19 π}{3}$
2477	Find the Reference Angle	(13pi)/5	$\frac{13 π}{5}$
2478	Find the Reference Angle	(17pi)/4	$\frac{17 π}{4}$
2479	Find the Reference Angle	(17pi)/3	$\frac{17 π}{3}$
2480	Find the Reference Angle	(7pi)/9	$\frac{7 π}{9}$
2481	Find the Reference Angle	(10pi)/9	$\frac{10 π}{9}$
2482	Expand Using Sum/Difference Formulas	sin(22.5)	$\sin (22.5)$
2483	Expand Using Sum/Difference Formulas	sin(30)	$\sin (30)$
2484	Find Amplitude, Period, and Phase Shift	y=sin(8x)	$y = \sin (8 x)$
2485	Find Amplitude, Period, and Phase Shift	y=sin(2x-pi/2)	$y = \sin (2 x - \frac{π}{2})$
2486	Find Amplitude, Period, and Phase Shift	y=-csc(3x-pi)	$y = - \csc (3 x - π)$
2487	Find Amplitude, Period, and Phase Shift	y=-3sin(2pix+4pi)	$y = - 3 \sin (2 π x + 4 π)$
2488	Find Amplitude, Period, and Phase Shift	y=3cos(4x)	$y = 3 \cos (4 x)$
2489	Find Amplitude, Period, and Phase Shift	y=4sin(2x-pi)	$y = 4 \sin (2 x - π)$
2490	Find Amplitude, Period, and Phase Shift	y=-4cos(x)	$y = - 4 \cos (x)$
2491	Find Amplitude, Period, and Phase Shift	y=sec(x)	$y = \sec (x)$
2492	Find Amplitude, Period, and Phase Shift	y=sin(x)+6	$y = \sin (x) + 6$
2493	Find Amplitude, Period, and Phase Shift	y=2cos(3x)	$y = 2 \cos (3 x)$
2494	Find Amplitude, Period, and Phase Shift	f(x)=5sin(x)	$f (x) = 5 \sin (x)$
2495	Find Amplitude, Period, and Phase Shift	f(x)=5sin(x)+4sin(x)	$f (x) = 5 \sin (x) + 4 \sin (x)$
2496	Convert from Degrees to Radians	58	$58$
2497	Convert from Degrees to Radians	58 degrees	$58 °$
2498	Convert from Degrees to Radians	720	$720$
2499	Convert from Degrees to Radians	77	$77$
2500	Convert from Degrees to Radians	8	$8$