Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
2901	Find the Exact Value	cot(405)	$\cot (405)$
2902	Find the Exact Value	sin(-(5pi)/4)	$\sin (- \frac{5 π}{4})$
2903	Find the Exact Value	csc(15)	$\csc (15)$
2904	Find the Exact Value	csc(23)	$\csc (23)$
2905	Find the Exact Value	csc(25)	$\csc (25)$
2906	Find the Exact Value	tan((7pi)/2)	$\tan (\frac{7 π}{2})$
2907	Find the Exact Value	csc(35)	$\csc (35)$
2908	Find the Exact Value	csc(-3pi)	$\csc (- 3 π)$
2909	Find the Exact Value	csc((9pi)/2)	$\csc (\frac{9 π}{2})$
2910	Find the Exact Value	csc((7pi)/2)	$\csc (\frac{7 π}{2})$
2911	Find the Exact Value	csc(5/3)	$\csc (\frac{5}{3})$
2912	Find the Exact Value	cot((5pi)/12)	$\cot (\frac{5 π}{12})$
2913	Find the Exact Value	cot(29)	$\cot (29)$
2914	Find the Exact Value	cot((8pi)/3)	$\cot (\frac{8 π}{3})$
2915	Find the Exact Value	cot(-1)	$\cot (- 1)$
2916	Find the Exact Value	cos(43)	$\cos (43)$
2917	Find the Exact Value	cos(48)	$\cos (48)$
2918	Find the Exact Value	cot(-pi/6)	$\cot (- \frac{π}{6})$
2919	Find the Exact Value	csc(-300 degrees )	$\csc (- 300 °)$
2920	Find the Exact Value	tan(-315 degrees )	$\tan (- 315 °)$
2921	Find the Exact Value	cot(-135 degrees )	$\cot (- 135 °)$
2922	Find the Exact Value	cos(690)	$\cos (690)$
2923	Find the Exact Value	cos(9)	$\cos (9)$
2924	Find the Exact Value	cos(990)	$\cos (990)$
2925	Find the Exact Value	cos(78)	$\cos (78)$
2926	Find the Exact Value	cos(840)	$\cos (840)$
2927	Find the Exact Value	cos(33)	$\cos (33)$
2928	Find the Exact Value	cos(21)	$\cos (21)$
2929	Find the Exact Value	sec(-240 degrees )	$\sec (- 240 °)$
2930	Find the Exact Value	cos(7/25)	$\cos (\frac{7}{25})$
2931	Find the Exact Value	cos(5/13)	$\cos (\frac{5}{13})$
2932	Find the Exact Value	cos(pi/4-pi/6)	$\cos (\frac{π}{4} - \frac{π}{6})$
2933	Find the Exact Value	cos(14pi)	$\cos (14 π)$
2934	Find the Exact Value	cos(18)	$\cos (18)$
2935	Find the Exact Value	cos(12pi)	$\cos (12 π)$
2936	Find the Value Using the Unit Circle	cot(45)	$\cot (45)$
2937	Find the Value Using the Unit Circle	cot((5pi)/3)	$\cot (\frac{5 π}{3})$
2938	Find the Value Using the Unit Circle	cot(pi/2)	$\cot (\frac{π}{2})$
2939	Find the Value Using the Unit Circle	csc((7pi)/6)	$\csc (\frac{7 π}{6})$
2940	Find the Value Using the Unit Circle	sec(pi/3)	$\sec (\frac{π}{3})$
2941	Find the Value Using the Unit Circle	sec(0)	$\sec (0)$
2942	Find the Value Using the Unit Circle	sin(225)	$\sin (225)$
2943	Find the Value Using the Unit Circle	cos(150 degrees )	$\cos (150 °)$
2944	Find the Value Using the Unit Circle	sin(-1/2)	$\sin (- \frac{1}{2})$
2945	Find the Value Using the Unit Circle	sin((4pi)/3)	$\sin (\frac{4 π}{3})$
2946	Find the Value Using the Unit Circle	sin((7pi)/6)	$\sin (\frac{7 π}{6})$
2947	Find the Value Using the Unit Circle	sin((5pi)/4)	$\sin (\frac{5 π}{4})$
2948	Find the Value Using the Unit Circle	tan(pi)	$\tan (π)$
2949	Evaluate	(7pi)/6+2pi	$\frac{7 π}{6} + 2 π$
2950	Evaluate	(2pi)/(pi/3)	$\frac{2 π}{\frac{π}{3}}$
2951	Evaluate	(3pi)/4+pi/4	$\frac{3 π}{4} + \frac{π}{4}$
2952	Evaluate	e^-1.7	$e^{- 1.7}$
2953	Evaluate	sin(45 degrees )^2+cos(60 degrees )^2	$\sin^{2} (45 °) + \cos^{2} (60 °)$
2954	Evaluate	pi/2-pi/3	$\frac{π}{2} - \frac{π}{3}$
2955	Evaluate	pi/18	$\frac{π}{18}$
2956	Evaluate	pi/6-pi	$\frac{π}{6} - π$
2957	Evaluate	pi/4*180/pi	$\frac{π}{4} \cdot \frac{180}{π}$
2958	Evaluate	pi/6*180/pi	$\frac{π}{6} \cdot \frac{180}{π}$
2959	Evaluate	(2(8/15))/(1-(8/15)^2)	$\frac{2 (\frac{8}{15})}{1 - {(\frac{8}{15})}^{2}}$
2960	Evaluate	(11pi)/3	$\frac{11 π}{3}$
2961	Evaluate	(5p)/6	$\frac{5 p}{6}$
2962	Solve for z	z=3-4i	$z = 3 - 4 i$
2963	Simplify	(sin(x)-cos(x))(sin(x)+cos(x))	$(\sin (x) - \cos (x)) (\sin (x) + \cos (x))$
2964	Simplify	(csc(x)-1)(csc(x)+1)	$(\csc (x) - 1) (\csc (x) + 1)$
2965	Graph	y=9csc(x)	$y = 9 \csc (x)$
2966	Evaluate	sin((7pi)/6)	$\sin (\frac{7 π}{6})$
2967	Find the Exact Value	sec(-90 degrees )	$\sec (- 90 °)$
2968	Simplify	sin(2x)^2	$\sin^{2} (2 x)$
2969	Simplify	sin(45)^2+cos(30)^2	$\sin^{2} (45) + \cos^{2} (30)$
2970	Simplify	(sec(b)+csc(b))/(1+tan(b))	$\frac{\sec (b) + \csc (b)}{1 + \tan (b)}$
2971	Simplify	(sec(x))/(csc(x))+(csc(x))/(sec(x))	$\frac{\sec (x)}{\csc (x)} + \frac{\csc (x)}{\sec (x)}$
2972	Simplify	(tan(x))/(csc(x))+(sin(x))/(tan(x))	$\frac{\tan (x)}{\csc (x)} + \frac{\sin (x)}{\tan (x)}$
2973	Simplify	(tan(x))/(sin(x))	$\frac{\tan (x)}{\sin (x)}$
2974	Simplify	(csc(-x))/(1+tan(x)^2)	$\frac{\csc (- x)}{1 + \tan^{2} (x)}$
2975	Simplify	(cos(x)-sec(x))/(sin(x))	$\frac{\cos (x) - \sec (x)}{\sin (x)}$
2976	Simplify	(cos(x))/(1-sin(x))-(cos(x))/(1+sin(x))	$\frac{\cos (x)}{1 - \sin (x)} - \frac{\cos (x)}{1 + \sin (x)}$
2977	Simplify	(5pi)/6	$\frac{5 π}{6}$
2978	Simplify	(pi/6)/2	$\frac{\frac{π}{6}}{2}$
2979	Simplify	(sec(x)-tan(x))^2	${(\sec (x) - \tan (x))}^{2}$
2980	Simplify	(tan(x)+cot(x))^2	${(\tan (x) + \cot (x))}^{2}$
2981	Simplify	(sin(x)-cos(x))^2+sin(2x)	${(\sin (x) - \cos (x))}^{2} + \sin (2 x)$
2982	Simplify	(1-sin(x)^2)/(cos(x))	$\frac{1 - \sin^{2} (x)}{\cos (x)}$
2983	Simplify	(1-cos(x)^2)/(sin(x))	$\frac{1 - \cos^{2} (x)}{\sin (x)}$
2984	Simplify	(y^2)/(y-3)*(y^2-y-6)/(y^2+y)	$\frac{y^{2}}{y - 3} \cdot \frac{y^{2} - y - 6}{y^{2} + y}$
2985	Simplify	(sin(x)^4-cos(x)^4)/(sin(x)^2-cos(x)^2)	$\frac{\sin^{4} (x) - \cos^{4} (x)}{\sin^{2} (x) - \cos^{2} (x)}$
2986	Simplify	1/(sin(x)^2)	$\frac{1}{\sin^{2} (x)}$
2987	Simplify	(2pi)/5	$\frac{2 π}{5}$
2988	Simplify	(2pi)/4	$\frac{2 π}{4}$
2989	Solve for ?	tan(x)-3cot(x)=0	$\tan (x) - 3 \cot (x) = 0$
2990	Solve for ?	tan(x)cot(x)=1	$\tan (x) \cot (x) = 1$
2991	Solve for ?	tan(x)sin(x)+sin(x)=0	$\tan (x) \sin (x) + \sin (x) = 0$
2992	Solve for ?	tan(x/2)=-1	$\tan (\frac{x}{2}) = - 1$
2993	Solve for ?	tan(x)=4	$\tan (x) = 4$
2994	Solve for ?	sin(x)=5/13	$\sin (x) = \frac{5}{13}$
2995	Solve for ?	sin(x)=15/17	$\sin (x) = \frac{15}{17}$
2996	Solve for ?	sec((5x)/4)=2	$\sec (\frac{5 x}{4}) = 2$
2997	Solve for ?	sin(x)-1=0	$\sin (x) - 1 = 0$
2998	Solve for ?	sin(x/2)=1/2	$\sin (\frac{x}{2}) = \frac{1}{2}$
2999	Solve for ?	sin(2x)=( square root of 2)/2	$\sin (2 x) = \frac{\sqrt{2}}{2}$
3000	Solve for ?	sin(2x)+sin(x)=0	$\sin (2 x) + \sin (x) = 0$