Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
801	Expand the Trigonometric Expression	cos(x)	$\cos (x)$
802	Find the Exact Value	sec(180)	$\sec (180)$
803	Find the Exact Value	sec(-pi/3)	$\sec (- \frac{π}{3})$
804	Find the Exact Value	tan(2pi)	$\tan (2 π)$
805	Verify the Identity	(sin(x))/(1+cos(x))+(1+cos(x))/(sin(x))=2csc(x)	$\frac{\sin (x)}{1 + \cos (x)} + \frac{1 + \cos (x)}{\sin (x)} = 2 \csc (x)$
806	Verify the Identity	csc(x)-sin(x)=cot(x)cos(x)	$\csc (x) - \sin (x) = \cot (x) \cos (x)$
807	Verify the Identity	tan(x)+cot(x)=1/(sin(x)cos(x))	$\tan (x) + \cot (x) = \frac{1}{\sin (x) \cos (x)}$
808	Verify the Identity	csc(x)-sin(x)=cos(x)cot(x)	$\csc (x) - \sin (x) = \cos (x) \cot (x)$
809	Find the Reference Angle	(9pi)/4	$\frac{9 π}{4}$
810	Find Amplitude, Period, and Phase Shift	y=sin(3x)	$y = \sin (3 x)$
811	Find Amplitude, Period, and Phase Shift	y=cos(3x)	$y = \cos (3 x)$
812	Convert from Degrees to Radians	450	$450$
813	Convert from Degrees to Radians	36 degrees	$36 °$
814	Convert from Degrees to Radians	35	$35$
815	Convert from Degrees to Radians	345	$345$
816	Convert from Degrees to Radians	-90	$- 90$
817	Convert from Degrees to Radians	72 degrees	$72 °$
818	Convert from Degrees to Radians	250	$250$
819	Find Amplitude, Period, and Phase Shift	y=cos(4x)	$y = \cos (4 x)$
820	Expand the Logarithmic Expression	natural log of 1/e	$\ln (\frac{1}{e})$
821	Convert from Degrees to Radians	10	$10$
822	Convert from Degrees to Radians	pi/4	$\frac{π}{4}$
823	Convert from Radians to Degrees	-(11pi)/6	$- \frac{11 π}{6}$
824	Convert from Radians to Degrees	-9pi	$- 9 π$
825	Convert from Radians to Degrees	1/2	$\frac{1}{2}$
826	Convert from Radians to Degrees	(11pi)/3	$\frac{11 π}{3}$
827	Convert to Rectangular Coordinates	(2,p)	$(2, p)$
828	Convert to Polar Coordinates	(3,4)	$(3, 4)$
829	Convert to Trigonometric Form	3-3i	$3 - 3 i$
830	Find the Sine Given the Point	(-1/2,( square root of 3)/2)	$(- \frac{1}{2}, \frac{\sqrt{3}}{2})$
831	Graph	y=-3sin(x)	$y = - 3 \sin (x)$
832	Graph	y=-4sin(x)	$y = - 4 \sin (x)$
833	Graph	y=cos(1/2x)	$y = \cos (\frac{1}{2} x)$
834	Graph	y=3cos(4x)	$y = 3 \cos (4 x)$
835	Graph	y=2cos(2x)	$y = 2 \cos (2 x)$
836	Graph	y=2sin(5x)	$y = 2 \sin (5 x)$
837	Graph	y=2sin(4x)	$y = 2 \sin (4 x)$
838	Graph	y=5cos(x)	$y = 5 \cos (x)$
839	Graph	y=cos(x)+3	$y = \cos (x) + 3$
840	Find the Sine Given the Point	(-( square root of 3)/2,-1/2)	$(- \frac{\sqrt{3}}{2}, - \frac{1}{2})$
841	Find the Sine Given the Point	(-4,3)	$(- 4, 3)$
842	Convert to Trigonometric Form	5-5i	$5 - 5 i$
843	Evaluate	cot(60 degrees )	$\cot (60 °)$
844	Evaluate	sec(45 degrees )	$\sec (45 °)$
845	Convert from Degrees to Radians	pi/3	$\frac{π}{3}$
846	Convert from Radians to Degrees	3rad	$3$ radians
847	Convert from Degrees to Radians	2	$2$
848	Convert from Degrees to Radians	165	$165$
849	Convert from Degrees to Radians	12	$12$
850	Convert from Degrees to Radians	70	$70$
851	Convert from Degrees to Radians	325	$325$
852	Find Amplitude, Period, and Phase Shift	y=-3cos(x)	$y = - 3 \cos (x)$
853	Expand Using Sum/Difference Formulas	cos((11pi)/12)	$\cos (\frac{11 π}{12})$
854	Find the Reference Angle	(11pi)/4	$\frac{11 π}{4}$
855	Find the Reference Angle	-150	$- 150$
856	Find the Reference Angle	300	$300$
857	Verify the Identity	sec(x)-tan(x)sin(x)=1/(sec(x))	$\sec (x) - \tan (x) \sin (x) = \frac{1}{\sec (x)}$
858	Verify the Identity	tan(x)csc(x)cos(x)=1	$\tan (x) \csc (x) \cos (x) = 1$
859	Verify the Identity	tan(2x)=2/(cot(x)-tan(x))	$\tan (2 x) = \frac{2}{\cot (x) - \tan (x)}$
860	Find the Exact Value	tan(90)	$\tan (90)$
861	Find the Exact Value	arctan(tan((4pi)/5))	$\arctan (\tan (\frac{4 π}{5}))$
862	Expand the Trigonometric Expression	tan(x)	$\tan (x)$
863	Find the Value Using the Unit Circle	sin(0)	$\sin (0)$
864	Find the Exact Value	sin(4pi)	$\sin (4 π)$
865	Find the Exact Value	sec(315)	$\sec (315)$
866	Find the Exact Value	sin(4)	$\sin (4)$
867	Find the Exact Value	sin(420)	$\sin (420)$
868	Find the Exact Value	sin(57)	$\sin (57)$
869	Find the Exact Value	tan(-(3pi)/2)	$\tan (- \frac{3 π}{2})$
870	Find the Exact Value	cot(210 degrees )	$\cot (210 °)$
871	Find the Exact Value	sin(2)	$\sin (2)$
872	Find the Exact Value	sec(2)	$\sec (2)$
873	Find the Exact Value	sec(pi/12)	$\sec (\frac{π}{12})$
874	Find the Exact Value	sec((11pi)/3)	$\sec (\frac{11 π}{3})$
875	Find the Exact Value	cot(pi/5)	$\cot (\frac{π}{5})$
876	Find the Exact Value	cot(-(3pi)/4)	$\cot (- \frac{3 π}{4})$
877	Find the Exact Value	sin(75 degrees )	$\sin (75 °)$
878	Find the Exact Value	cos(390)	$\cos (390)$
879	Find the Exact Value	cos(180)	$\cos (180)$
880	Find the Exact Value	cos(pi/4+pi/3)	$\cos (\frac{π}{4} + \frac{π}{3})$
881	Evaluate	-(3pi)/4	$- \frac{3 π}{4}$
882	Evaluate	arccos(-1)	$\arccos (- 1)$
883	Simplify	sin(x)^4	$\sin^{4} (x)$
884	Simplify	cos(90 degrees -x)	$\cos (90 ° - x)$
885	Simplify	(-1/2)/(( square root of 3)/2)	$\frac{- \frac{1}{2}}{\frac{\sqrt{3}}{2}}$
886	Simplify	(-( square root of 3)/2)/(1/2)	$\frac{- \frac{\sqrt{3}}{2}}{\frac{1}{2}}$
887	Simplify	(cos(x))/(1-sin(x))	$\frac{\cos (x)}{1 - \sin (x)}$
888	Simplify	cube root of 24	$\sqrt[3]{24}$
889	Simplify	square root of 161	$\sqrt{161}$
890	Simplify	sec(theta)-cos(theta)	$\sec (θ) - \cos (θ)$
891	Simplify	-( square root of 3)/3	$- \frac{\sqrt{3}}{3}$
892	Solve for ?	cos(2x)=( square root of 3)/2	$\cos (2 x) = \frac{\sqrt{3}}{2}$
893	Solve for ?	cos(x)=0	$\cos (x) = 0$
894	Solve for ?	sec(x)=2	$\sec (x) = 2$
895	Solve for ?	sec(x)=-2	$\sec (x) = - 2$
896	Solve for ?	tan(x)=- square root of 3	$\tan (x) = - \sqrt{3}$
897	Solve for ?	2sin(x)^2-sin(x)-1=0	$2 \sin^{2} (x) - \sin (x) - 1 = 0$
898	Solve for x	cot(x) = square root of 3	$\cot (x) = \sqrt{3}$
899	Solve for x	3sin(x)-3cos(x)=1	$3 \sin (x) - 3 \cos (x) = 1$
900	Solve for x	tan(3x)=1	$\tan (3 x) = 1$