Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
13801	Solve for x	2sin(x)-sin(2x)=0	$2 \sin (x) - \sin (2 x) = 0$
13802	Solve for x	2sin(x- square root of 2)=0	$2 \sin (x - \sqrt{2}) = 0$
13803	Solve for x	3cot(x-1)^2=0	$3 \cot^{2} (x - 1) = 0$
13804	Solve for x	3csc(x)^2-4=0	$3 \csc^{2} (x) - 4 = 0$
13805	Solve for x	3 log base 3 of 4x+7-4=2	$3 \log_{3} (4 x + 7) - 4 = 2$
13806	Solve for x	3arctan(x)=pi	$3 \arctan (x) = π$
13807	Solve for x	3tan(x)^2+7tan(x)+4=0	$3 \tan^{2} (x) + 7 \tan (x) + 4 = 0$
13808	Solve for x	3(x-1)+7=2(x+5)	$3 (x - 1) + 7 = 2 (x + 5)$
13809	Solve for x	3(2)^(x-4)=18	$3 {(2)}^{x - 4} = 18$
13810	Solve for x	2x-25=x+3	$2 x - 25 = x + 3$
13811	Solve for x	3arccos(4x)=2pi	$3 \arccos (4 x) = 2 π$
13812	Solve for x	3cos(x)^2-sin(x)^2=0	$3 \cos^{2} (x) - \sin^{2} (x) = 0$
13813	Solve for x	3cos(x)^2+2cos(x)=1	$3 \cos^{2} (x) + 2 \cos (x) = 1$
13814	Solve for x	2x-pi/3=(3pi)/2	$2 x - \frac{π}{3} = \frac{3 π}{2}$
13815	Solve for x	2tan(x)=1-tan(x)^2	$2 \tan (x) = 1 - \tan^{2} (x)$
13816	Solve for x	2tan(x)-sec(x)^2=0	$2 \tan (x) - \sec^{2} (x) = 0$
13817	Solve for x	2sin(x+47)=1	$2 \sin (x + 47) = 1$
13818	Solve for x	2tan(x)csc(x)+2csc(x)+tan(x)+1=0	$2 \tan (x) \csc (x) + 2 \csc (x) + \tan (x) + 1 = 0$
13819	Solve for x	2x+5=1.8	$2 x + 5 = 1.8$
13820	Solve for x	2x+pi/2=2pi	$2 x + \frac{π}{2} = 2 π$
13821	Solve for x	2x=-pi/2	$2 x = - \frac{π}{2}$
13822	Solve for x	2x+3x+5=180	$2 x + 3 x + 5 = 180$
13823	Solve for x	2x=(2pi)/3	$2 x = \frac{2 π}{3}$
13824	Solve for x	-2x+5y=12	$- 2 x + 5 y = 12$
13825	Solve for x	2x+p=0	$2 x + p = 0$
13826	Solve for x	2x^3+x^2-18x-9=0	$2 x^{3} + x^{2} - 18 x - 9 = 0$
13827	Solve for x	25cos(x)^2=25cos(x)*sin(x)	$25 \cos^{2} (x) = 25 \cos (x) \cdot \sin (x)$
13828	Solve for x	23sin(x)^2-2sin(x)=cos(x)^2	$23 \sin^{2} (x) - 2 \sin (x) = \cos^{2} (x)$
13829	Solve for x	20sin(x)^2-21sin(x)+4=0	$20 \sin^{2} (x) - 21 \sin (x) + 4 = 0$
13830	Solve for x	2sin(x)^2+sin(2x)=0	$2 \sin^{2} (x) + \sin (2 x) = 0$
13831	Solve for x	2sin(x)^2+7sin(x)=4	$2 \sin^{2} (x) + 7 \sin (x) = 4$
13832	Solve for x	2sin(x)^2+7sin(x)-4=0	$2 \sin^{2} (x) + 7 \sin (x) - 4 = 0$
13833	Solve for x	2sin(x)^2+6sin(x)+4=0	$2 \sin^{2} (x) + 6 \sin (x) + 4 = 0$
13834	Solve for x	2sin(x)^2+4sin(x)+2=0	$2 \sin^{2} (x) + 4 \sin (x) + 2 = 0$
13835	Solve for x	2sin(x)^2=0	$2 \sin^{2} (x) = 0$
13836	Solve for x	2sin(x)^2+sin(x)-3=0	$2 \sin^{2} (x) + \sin (x) - 3 = 0$
13837	Solve for x	2sin(x)^2+sin(x)-6=0	$2 \sin^{2} (x) + \sin (x) - 6 = 0$
13838	Solve for x	2sin(x)^2=2sin(x)+4	$2 \sin^{2} (x) = 2 \sin (x) + 4$
13839	Solve for x	2sin(x)^2=3(cos(x+1))	$2 \sin^{2} (x) = 3 (\cos (x + 1))$
13840	Solve for x	2sin(x)^2=-6sin(x)-4	$2 \sin^{2} (x) = - 6 \sin (x) - 4$
13841	Solve for x	2sec(x)^2-tan(x)^4=-1	$2 \sec^{2} (x) - \tan^{4} (x) = - 1$
13842	Solve for x	2sec(x)^2=3-tan(x)	$2 \sec^{2} (x) = 3 - \tan (x)$
13843	Solve for x	2sin(x)^2=1-cos(x)	$2 \sin^{2} (x) = 1 - \cos (x)$
13844	Solve for x	2sin(3x)^2-1=0	$2 \sin^{2} (3 x) - 1 = 0$
13845	Solve for x	2sin(x)^2-5cos(x)-4=0	$2 \sin^{2} (x) - 5 \cos (x) - 4 = 0$
13846	Solve for θ in Radians	cot(theta)-1=0	$2 \sin^{2} (x) - \cos (x - 1) = 0$
13847	Solve for x	2x^(-2/5)-4=4	$2 x^{- \frac{2}{5}} - 4 = 4$
13848	Solve for x	2sin(x)^2-4sin(x)-6=0	$2 \sin^{2} (x) - 4 \sin (x) - 6 = 0$
13849	Solve for x	2sin(x)^2=4sin(x)+6	$2 \sin^{2} (x) = 4 \sin (x) + 6$
13850	Solve for x	2sin(x)^2-sin(x)-3=0	$2 \sin^{2} (x) - \sin (x) - 3 = 0$
13851	Find the Coterminal Angle	(10pi)/3	$2 \sin^{2} (x) - \sin (x - 1) = 0$
13852	Solve for x	2sin(x)^2=3(1-cos(-x))	$2 \sin^{2} (x) = 3 (1 - \cos (- x))$
13853	Solve for x	2sin(x)cos(x)+sin(x)=0	$2 \cdot \sin (x) \cdot \cos (x) + \sin (x) = 0$
13854	Solve for x	1-sin(x)=cos(2x)	$1 - \sin (x) = \cos (2 x)$
13855	Solve for x	18sin(x)^2-41sin(x)+21=0	$18 \sin^{2} (x) - 41 \sin (x) + 21 = 0$
13856	Solve for x	16sin(x)=4cos(x)^2-11	$16 \sin (x) = 4 \cos^{2} (x) - 11$
13857	Solve for x	1-4sin(x)=3cos(2x)	$1 - 4 \sin (x) = 3 \cos (2 x)$
13858	Solve for x	16sin(x)^2=16-8cos(x)	$16 \sin^{2} (x) = 16 - 8 \cos (x)$
13859	Solve for x	1680000(1-e^(-0.03x))=0	$1680000 (1 - e^{- 0.03 x}) = 0$
13860	Solve for x	17sin(x)^2-3sin(x)=cos(x)^2	$17 \sin^{2} (x) - 3 \sin (x) = \cos^{2} (x)$
13861	Solve for x	2 log base 3 of x- log base 3 of x+6=1	$2 \log_{3} (x) - \log_{3} (x + 6) = 1$
13862	Solve for x	2cot(x)^2+3csc(x)=0	$2 \cot^{2} (x) + 3 \csc (x) = 0$
13863	Solve for x	2 log base 3 of x- log base 3 of 4 = log base 3 of 16	$2 \log_{3} (x) - \log_{3} (4) = \log_{3} (16)$
13864	Solve for x	2 log base 4 of x+10c=6	$2 \log_{4} (x) + 10 c = 6$
13865	Solve for x	2cos(x)^3=cos(x)	$2 \cos^{3} (x) = \cos (x)$
13866	Solve for x	2csc(x)^2-4=0	$2 \csc^{2} (x) - 4 = 0$
13867	Solve for x	2cos(x)^2-2cos(x)-1=0	$2 \cos^{2} (x) - 2 \cos (x) - 1 = 0$
13868	Solve for x	2cot(x)^2-3csc(x)=0	$2 \cot^{2} (x) - 3 \csc (x) = 0$
13869	Solve for x	2cos(x)^2=0	$2 \cos^{2} (x) = 0$
13870	Solve for θ in Radians	2cos(theta)- square root of 2=0	$2 \cos^{2} (x) + 2 \sin (x) \cos (x) - \frac{3}{2} - \frac{\sqrt{3}}{2} = 0$
13871	Solve for x	2cos(x)^2- square root of 2cos(x)=0	$2 \cos^{2} (x) - \sqrt{2} \cos (x) = 0$
13872	Solve for x	2cos(2x)^2=1	$2 \cos^{2} (2 x) = 1$
13873	Solve for x	2cos(2x)^2-cos(2x)-1=0	$2 \cos^{2} (2 x) - \cos (2 x) - 1 = 0$
13874	Solve for x	2cos(x)^2+5cos(x)-3=0	$2 \cos^{2} (x) + 5 \cos (x) - 3 = 0$
13875	Solve for x	2cos(x)^2+5sin(x)-4=0	$2 \cos^{2} (x) + 5 \sin (x) - 4 = 0$
13876	Solve for x	2cos(x)^2=13sin(x)-5	$2 \cos^{2} (x) = 13 \sin (x) - 5$
13877	Solve for θ in Radians	2cos(theta)+ square root of 3=0	$2 \cos^{2} (x) + \sin (x - 1) = 0$
13878	Solve for x	log base x of 134217728=9	$\log_{x} (134217728) = 9$
13879	Solve for x	log base x of 27+ log base x of 3=2	$\log_{x} (27) + \log_{x} (3) = 2$
13880	Solve for x	log base 9 of 729=x	$\log_{9} (729) = x$
13881	Solve for x	log base 5 of x=7	$\log_{5} (x) = 7$
13882	Solve for x	log base 4 of x=-2	$\log_{4} (x) = - 2$
13883	Solve for x	log base 6 of x^2=4	$\log_{6} (x^{2}) = 4$
13884	Solve for x	log base 6 of 36=5x+3	$\log_{6} (36) = 5 x + 3$
13885	Solve for x	log base 6 of x+7- log base 6 of 4 = log base 6 of 2x+1	$\log_{6} (x + 7) - \log_{6} (4) = \log_{6} (2 x + 1)$
13886	Solve for x	log base 7 of 2401=x	$\log_{7} (2401) = x$
13887	Solve for x	log base 7 of x+ log base 7 of x+2 = log base 7 of 24	$\log_{7} (x) + \log_{7} (x + 2) = \log_{7} (24)$
13888	Solve for x	log base 7 of x-2=3	$\log_{7} (x - 2) = 3$
13889	Solve for x	log base 8 of x-6+ log base 8 of x+6=2	$\log_{8} (x - 6) + \log_{8} (x + 6) = 2$
13890	Solve for x	log base 3 of x-7=2- log base 3 of x+1	$\log_{3} (x - 7) = 2 - \log_{3} (x + 1)$
13891	Solve for x	log base 3 of x+1=2+ log base 3 of x-3	$\log_{3} (x + 1) = 2 + \log_{3} (x - 3)$
13892	Solve for x	log base 3 of x = log base 0.5 of x	$\log_{3} (x) = \log_{0.5} (x)$
13893	Solve for x	log base 4 of 5x-8=1	$\log_{4} (5 x - 8) = 1$
13894	Solve for x	log base 5 of 125=x	$\log_{5} (125) = x$
13895	Solve for x	log base 4 of x=6	$\log_{4} (x) = 6$
13896	Solve for x	log base 4 of y = log base 4 of x- log base 4 of 5+ log base 4 of 3	$\log_{4} (y) = \log_{4} (x) - \log_{4} (5) + \log_{4} (3)$
13897	Solve for x	log base 5 of 7^(x+3)=16	$\log_{5} (7^{x + 3}) = 16$
13898	Solve for x	log base 5 of 2x-3=4	$\log_{5} (2 x - 3) = 4$
13899	Solve for x	log base 4 of x+7- log base 4 of x-7=3	$\log_{4} (x + 7) - \log_{4} (x - 7) = 3$
13900	Solve for x	log base 2 of x+3=3- log base 2 of x+5	$\log_{2} (x + 3) = 3 - \log_{2} (x + 5)$