Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
2801	Verify the Identity	sin(2x)+cos(x)=0	$\sin (2 x) + \cos (x) = 0$
2802	Verify the Identity	sec(pi/2-x)=csc(x)	$\sec (\frac{π}{2} - x) = \csc (x)$
2803	Verify the Identity	tan(x)cot(x)=1	$\tan (x) \cot (x) = 1$
2804	Verify the Identity	tan(pi/2-x)=cot(x)	$\tan (\frac{π}{2} - x) = \cot (x)$
2805	Verify the Identity	sin(x+y)-sin(x-y)=2cos(x)sin(y)	$\sin (x + y) - \sin (x - y) = 2 \cos (x) \sin (y)$
2806	Verify the Identity	tan(x)+cot(x)=csc(x)sec(x)	$\tan (x) + \cot (x) = \csc (x) \sec (x)$
2807	Verify the Identity	tan(x)=1/(cot(x))	$\tan (x) = \frac{1}{\cot (x)}$
2808	Find the Exact Value	csc(180)	$\csc (180)$
2809	Find the Exact Value	arcsin(90)	$\arcsin (90)$
2810	Find the Exact Value	csc(-330 degrees )	$\csc (- 330 °)$
2811	Find the Exact Value	arccot(0)	$arccot (0)$
2812	Find the Exact Value	cos((25pi)/6)	$\cos (\frac{25 π}{6})$
2813	Find the Exact Value	cos((21pi)/4)	$\cos (\frac{21 π}{4})$
2814	Find the Exact Value	cos(-(17pi)/3)	$\cos (- \frac{17 π}{3})$
2815	Find the Exact Value	cos((19pi)/4)	$\cos (\frac{19 π}{4})$
2816	Find the Exact Value	cos((13pi)/8)	$\cos (\frac{13 π}{8})$
2817	Find the Exact Value	arctan(15)	$\arctan (15)$
2818	Find the Exact Value	arctan(3/2)	$\arctan (\frac{3}{2})$
2819	Find the Exact Value	arctan(3/5)	$\arctan (\frac{3}{5})$
2820	Find the Exact Value	2sin(30)	$2 \sin (30)$
2821	Find the Exact Value	cos(0 degrees )	$\cos (0 °)$
2822	Find the Exact Value	arcsin(15/17)	$\arcsin (\frac{15}{17})$
2823	Find the Exact Value	tan((9pi)/4)	$\tan (\frac{9 π}{4})$
2824	Find the Exact Value	(cos(10))/(sin(80))	$\frac{\cos (10)}{\sin (80)}$
2825	Find the Exact Value	arcsin(cos(pi/4))	$\arcsin (\cos (\frac{π}{4}))$
2826	Find the Exact Value	arcsin(cos((7pi)/6))	$\arcsin (\cos (\frac{7 π}{6}))$
2827	Find the Exact Value	arcsin(sin((11pi)/6))	$\arcsin (\sin (\frac{11 π}{6}))$
2828	Find the Exact Value	arcsin(sin((5pi)/7))	$\arcsin (\sin (\frac{5 π}{7}))$
2829	Find the Exact Value	cos((15pi)/4)	$\cos (\frac{15 π}{4})$
2830	Expand the Trigonometric Expression	pi/3	$\frac{π}{3}$
2831	Expand the Trigonometric Expression	(2pi)/3	$\frac{2 π}{3}$
2832	Expand the Trigonometric Expression	sin(x)^3	$\sin^{3} (x)$
2833	Expand the Trigonometric Expression	(sin(2x))/(1-cos(2x))	$\frac{\sin (2 x)}{1 - \cos (2 x)}$
2834	Find the Value Using the Unit Circle	cos(225 degrees )	$\cos (225 °)$
2835	Find the Value Using the Unit Circle	cos((3pi)/2)	$\cos (\frac{3 π}{2})$
2836	Find the Value Using the Unit Circle	cos((11pi)/4)	$\cos (\frac{11 π}{4})$
2837	Find the Value Using the Unit Circle	cos(12/13)	$\cos (\frac{12}{13})$
2838	Expand the Trigonometric Expression	tan(x)+cot(x)	$\tan (x) + \cot (x)$
2839	Expand the Trigonometric Expression	sin(2a)	$\sin (2 a)$
2840	Find the Exact Value	sin(76)	$\sin (76)$
2841	Find the Exact Value	sin(690)	$\sin (690)$
2842	Find the Exact Value	sin(510)	$\sin (510)$
2843	Find the Exact Value	cos(-330 degrees )	$\cos (- 330 °)$
2844	Find the Exact Value	sin(46)	$\sin (46)$
2845	Find the Exact Value	sin(arcsin(1/2))	$\sin (\arcsin (\frac{1}{2}))$
2846	Find the Exact Value	sin(arctan(5/12))	$\sin (\arctan (\frac{5}{12}))$
2847	Find the Exact Value	tan((-7pi)/12)	$\tan (\frac{- 7 π}{12})$
2848	Find the Exact Value	tan(875/350)	$\tan (\frac{875}{350})$
2849	Find the Exact Value	tan(arccos(-12/13))	$\tan (\arccos (- \frac{12}{13}))$
2850	Find the Exact Value	tan(pi/6-pi/4)	$\tan (\frac{π}{6} - \frac{π}{4})$
2851	Find the Exact Value	tan(pi/3-pi/6)	$\tan (\frac{π}{3} - \frac{π}{6})$
2852	Find the Exact Value	tan(3/4)	$\tan (\frac{3}{4})$
2853	Find the Exact Value	tan(3/5)	$\tan (\frac{3}{5})$
2854	Find the Exact Value	tan((21pi)/4)	$\tan (\frac{21 π}{4})$
2855	Find the Exact Value	cos(-315 degrees )	$\cos (- 315 °)$
2856	Find the Exact Value	tan(16)	$\tan (16)$
2857	Find the Exact Value	tan(12pi)	$\tan (12 π)$
2858	Find the Exact Value	tan(26)	$\tan (26)$
2859	Find the Exact Value	tan(28)	$\tan (28)$
2860	Find the Exact Value	arcsin(sin((7pi)/6))	$\arcsin (\sin (\frac{7 π}{6}))$
2861	Find the Exact Value	tan(6)	$\tan (6)$
2862	Find the Exact Value	tan(58)	$\tan (58)$
2863	Find the Exact Value	tan(83)	$\tan (83)$
2864	Find the Exact Value	tan(88)	$\tan (88)$
2865	Find the Exact Value	tan(780)	$\tan (780)$
2866	Find the Exact Value	tan(72)	$\tan (72)$
2867	Find the Exact Value	tan(345)	$\tan (345)$
2868	Find the Exact Value	tan(44)	$\tan (44)$
2869	Find the Exact Value	tan(540)	$\tan (540)$
2870	Find the Exact Value	tan(47)	$\tan (47)$
2871	Find the Exact Value	cot(450)	$\cot (450)$
2872	Find the Exact Value	sin(9/41)	$\sin (\frac{9}{41})$
2873	Find the Exact Value	sin(pi/5)	$\sin (\frac{π}{5})$
2874	Find the Exact Value	sin(pi/4+pi/3)	$\sin (\frac{π}{4} + \frac{π}{3})$
2875	Find the Exact Value	sin((-pi)/3)	$\sin (\frac{- π}{3})$
2876	Find the Exact Value	sin(-(3pi)/8)	$\sin (- \frac{3 π}{8})$
2877	Find the Exact Value	sin((29pi)/6)	$\sin (\frac{29 π}{6})$
2878	Find the Exact Value	sin(10pi)	$\sin (10 π)$
2879	Find the Exact Value	cot(-(5pi)/6)	$\cot (- \frac{5 π}{6})$
2880	Find the Exact Value	sin(35 degrees )	$\sin (35 °)$
2881	Find the Exact Value	sin(310)	$\sin (310)$
2882	Find the Exact Value	cos(1)	$\cos (1)$
2883	Find the Exact Value	cos(pi/12)	$\cos (\frac{π}{12})$
2884	Find the Exact Value	csc(55)	$\csc (55)$
2885	Find the Exact Value	sin(38 degrees )	$\sin (38 °)$
2886	Find the Exact Value	csc(80)	$\csc (80)$
2887	Find the Exact Value	csc(960)	$\csc (960)$
2888	Find the Exact Value	csc(7)	$\csc (7)$
2889	Find the Exact Value	csc(8)	$\csc (8)$
2890	Find the Exact Value	sec((7pi)/3)	$\sec (\frac{7 π}{3})$
2891	Find the Exact Value	sec(-(4pi)/3)	$\sec (- \frac{4 π}{3})$
2892	Find the Exact Value	sin(-(13pi)/4)	$\sin (- \frac{13 π}{4})$
2893	Find the Exact Value	sin((13pi)/12)cos(pi/12)	$\sin (\frac{13 π}{12}) \cos (\frac{π}{12})$
2894	Find the Exact Value	sin((13pi)/3)	$\sin (\frac{13 π}{3})$
2895	Find the Exact Value	sin(2/3*pi)	$\sin (\frac{2}{3} \cdot π)$
2896	Find the Exact Value	sin(-(11pi)/4)	$\sin (- \frac{11 π}{4})$
2897	Find the Exact Value	sec(6)	$\sec (6)$
2898	Find the Exact Value	sec(59)	$\sec (59)$
2899	Find the Exact Value	sec(270 degrees )	$\sec (270 °)$
2900	Find the Exact Value	sec(3pi)	$\sec (3 π)$