Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
13501	Solve for x	4=0.54.34.3*sin(x)	$4 = 0.5 \cdot 4.3 \cdot 4.3 \cdot \sin (x)$
13502	Solve for x	3x^2-x-3=x^2-5x-7	$3 x^{2} - x - 3 = x^{2} - 5 x - 7$
13503	Solve for x	3+xi=(x+1)+2i	$3 + x i = (x + 1) + 2 i$
13504	Solve for x	3tan(x)^3-tan(x)=0	$3 \tan^{3} (x) - \tan (x) = 0$
13505	Solve for x	3x^6-192=0	$3 x^{6} - 192 = 0$
13506	Solve for x	32 = square root of 2*(176x)	$32 = \sqrt{2 \cdot (176 x)}$
13507	Solve for x	3-2csc(x)=17	$3 - 2 \csc (x) = 17$
13508	Solve for x	3+3sin(x)=2cos(x)^2	$3 + 3 \sin (x) = 2 \cos^{2} (x)$
13509	Solve for x	39=180/x	$39 = \frac{180}{x}$
13510	Solve for x	3cos(x)=5sin(x)	$3 \cos (x) = 5 \sin (x)$
13511	Solve for x	3cos(x)-6 square root of 3=cos(x)-5 square root of 3	$3 \cos (x) - 6 \sqrt{3} = \cos (x) - 5 \sqrt{3}$
13512	Solve for x	3cos(x)-6sin(x)cos(x)=0	$3 \cos (x) - 6 \sin (x) \cos (x) = 0$
13513	Solve for x	3csc(x)-4 square root of 3=9csc(x)	$3 \csc (x) - 4 \sqrt{3} = 9 \csc (x)$
13514	Solve for x	3cot(x)+5=2	$3 \cot (x) + 5 = 2$
13515	Solve for x	3 natural log of x=3	$3 \ln (x) = 3$
13516	Solve for x	3csc(x)+4=0	$3 \csc (x) + 4 = 0$
13517	Solve for x	3sin(x)+6=5sin(x)+7	$3 \sin (x) + 6 = 5 \sin (x) + 7$
13518	Solve for x	3sin(x)=2cos(x)^2	$3 \sin (x) = 2 \cos^{2} (x)$
13519	Solve for x	3csc(x)-1=2	$3 \csc (x) - 1 = 2$
13520	Solve for x	3tan(x)=5	$3 \tan (x) = 5$
13521	Solve for x	3tan(3x)=3	$3 \tan (3 x) = 3$
13522	Solve for x	3tan(x)-1=0	$3 \tan (x) - 1 = 0$
13523	Solve for x	3x-pi/4=0	$3 x - \frac{π}{4} = 0$
13524	Solve for x	3x+3-2x=4x+4	$3 x + 3 - 2 x = 4 x + 4$
13525	Solve for x	-3tan(2x)+1=0	$- 3 \tan (2 x) + 1 = 0$
13526	Solve for x	3x+5=14x	$3 x + 5 = 14 x$
13527	Solve for x	arctan(x)=pi/6	$\arctan (x) = \frac{π}{6}$
13528	Solve for x	arctan(x/6)=60	$\arctan (\frac{x}{6}) = 60$
13529	Solve for x	arctan(x)=arccos(5/13)	$\arctan (x) = \arccos (\frac{5}{13})$
13530	Solve for x	arcsin(x)-arccos(x)=pi/6	$\arcsin (x) - \arccos (x) = \frac{π}{6}$
13531	Solve for x	arctan(1)=x	$\arctan (1) = x$
13532	Solve for x	Ax=Acos(270.0)=1200cos(270.0)	$A x =$ Acos $(270) = 1200 \cos (270)$
13533	Solve for x	-ax=b	$- a x = b$
13534	Solve for x	cos((3pi)/2-x)=-sin(x)	$\cos (\frac{3 π}{2} - x) = - \sin (x)$
13535	Solve for x	cos((2x)/3)=-1/2	$\cos (\frac{2 x}{3}) = - \frac{1}{2}$
13536	Solve for x	cos(pi/2-x)=2/7	$\cos (\frac{π}{2} - x) = \frac{2}{7}$
13537	Solve for x	cos(pi/2-x)=sin(x)	$\cos (\frac{π}{2} - x) = \sin (x)$
13538	Solve for x	arcsin(7/25)+arccos(x)=pi/4	$\arcsin (\frac{7}{25}) + \arccos (x) = \frac{π}{4}$
13539	Solve for x	arcsin(8/17)+arccos(x)=pi/4	$\arcsin (\frac{8}{17}) + \arccos (x) = \frac{π}{4}$
13540	Solve for x	arcsin(x)=pi/6	$\arcsin (x) = \frac{π}{6}$
13541	Solve for x	arcsin(x)=arctan(1/4)	$\arcsin (x) = \arctan (\frac{1}{4})$
13542	Solve for x	arcsin(x)+arccos(4/5)=pi/6	$\arcsin (x) + \arccos (\frac{4}{5}) = \frac{π}{6}$
13543	Solve for x	arcsec(x/3-1/2)=pi/3	$arcsec (\frac{x}{3} - \frac{1}{2}) = \frac{π}{3}$
13544	Solve for x	arcsin(3/5)+arccos(x)=pi/4	$\arcsin (\frac{3}{5}) + \arccos (x) = \frac{π}{4}$
13545	Solve for x	arccos(x)+arcsin(( square root of 2)/2)=pi/2	$\arccos (x) + \arcsin (\frac{\sqrt{2}}{2}) = \frac{π}{2}$
13546	Solve for x	arccos(x)+2arcsin(( square root of 3)/2)=pi/3	$\arccos (x) + 2 \arcsin (\frac{\sqrt{3}}{2}) = \frac{π}{3}$
13547	Solve for x	arccos(x)=arcsin(12/13)	$\arccos (x) = \arcsin (\frac{12}{13})$
13548	Solve for x	arccos(x)=arcsin(4/5)	$\arccos (x) = \arcsin (\frac{4}{5})$
13549	Simplify Using Half-Angle Formula	sin(22.5 degrees )	$\cos (2 x) = 2 - 2 \sin^{2} (x)$
13550	Solve for x	cos(2x)=-cos(x)	$\cos (2 x) = - \cos (x)$
13551	Solve for x	cos(2x-pi/4)=( square root of 2)/2	$\cos (2 x - \frac{π}{4}) = \frac{\sqrt{2}}{2}$
13552	Solve for x	cos(2x-pi/4)=-1/2	$\cos (2 x - \frac{π}{4}) = - \frac{1}{2}$
13553	Solve for x	cos(2x)=tan(x)	$\cos (2 x) = \tan (x)$
13554	Solve for x	cos(2x)-3sin(x)+1=0	$\cos (2 x) - 3 \sin (x) + 1 = 0$
13555	Solve for x	cos(2x-1)=sin(3x+6)	$\cos (2 x - 1) = \sin (3 x + 6)$
13556	Solve for x	cos(30)=x/8	$\cos (30) = \frac{x}{8}$
13557	Solve for x	cos(2x)+6sin(x)^2=4	$\cos (2 x) + 6 \sin^{2} (x) = 4$
13558	Solve for x	cos(2x)+cos(x)=-1	$\cos (2 x) + \cos (x) = - 1$
13559	Evaluate	cos(405 degrees )	$\cos (405 °)$
13560	Solve for x	cos(2x)=1/3	$\cos (2 x) = \frac{1}{3}$
13561	Solve for x	arctan(x)=-1	$\arctan (x) = - 1$
13562	Solve for x	cos(298)=cos(x)	$\cos (298) = \cos (x)$
13563	Solve for x	cos(x/2)=0	$\cos (\frac{x}{2}) = 0$
13564	Solve for X	cos(X/2)-1=0	$\cos (\frac{X}{2}) - 1 = 0$
13565	Solve for x	cos(180+x)=-cos(x)	$\cos (180 + x) = - \cos (x)$
13566	Solve for x	9x+x/(2y)*(3x)=5xy	$9 x + \frac{x}{2 y} \cdot (3 x) = 5 x y$
13567	Solve for x	9sin(2x)sin(x)=9cos(x)	$9 \sin (2 x) \sin (x) = 9 \cos (x)$
13568	Solve for x	9cos(x+3)=1	$9 \cos (x + 3) = 1$
13569	Solve for x	9x+45=0	$9 x + 45 = 0$
13570	Solve for x	9arcsin(x)=3pi	$9 \arcsin (x) = 3 π$
13571	Solve for x	9sin(x)^2+18sin(x)+9=0	$9 \sin^{2} (x) + 18 \sin (x) + 9 = 0$
13572	Solve for x	8sin(x/2)=8	$8 \sin (\frac{x}{2}) = 8$
13573	Solve for x	9sin(x)^2-5sin(x)=1	$9 \sin^{2} (x) - 5 \sin (x) = 1$
13574	Solve for x	9sin(x-pi/2)^2=1	$9 \sin^{2} (x - \frac{π}{2}) = 1$
13575	Solve for x	8sin(x)+20=24	$8 \sin (x) + 20 = 24$
13576	Solve for x	9cos(x)^2+18cos(x)+9=0	$9 \cos^{2} (x) + 18 \cos (x) + 9 = 0$
13577	Solve for x	8x^3+4x^2-18x-9=0	$8 x^{3} + 4 x^{2} - 18 x - 9 = 0$
13578	Solve for x	8sin(2x)cos(2x)+4=0	$8 \sin (2 x) \cos (2 x) + 4 = 0$
13579	Solve for x	8x^3-1=0	$8 x^{3} - 1 = 0$
13580	Solve for x	8cos(arcsin(x)) = square root of 64-64x^2	$8 \cos (\arcsin (x)) = \sqrt{64 - 64 x^{2}}$
13581	Solve for x	8tan(3x)=8	$8 \tan (3 x) = 8$
13582	Solve for x	8tan(x)+7 square root of 3=- square root of 3	$8 \tan (x) + 7 \sqrt{3} = - \sqrt{3}$
13583	Solve for x	7(x-6)^(3/2)=56	$7 {(x - 6)}^{\frac{3}{2}} = 56$
13584	Solve for x	7=0.5\|x-4\|-3	$7 = 0.5 \| x - 4 \| - 3$
13585	Solve for x	75=1/2x^2*6	$75 = \frac{1}{2} x^{2} \cdot 6$
13586	Solve for x	7x+10=98-4x	$7 x + 10 = 98 - 4 x$
13587	Solve for x	8cos(x)^2-4=0	$8 \cos^{2} (x) - 4 = 0$
13588	Solve for x	7sin(x)^2-sin(x)=0	$7 \sin^{2} (x) - \sin (x) = 0$
13589	Solve for x	7sin(x)=(7pi)/2	$7 \sin (x) = \frac{7 π}{2}$
13590	Solve for x	7sin(x)=1	$7 \sin (x) = 1$
13591	Solve for x	cos(x)=-cos(x)+ square root of 3	$\cos (x) = - \cos (x) + \sqrt{3}$
13592	Solve for x	cos(x)=-4	$\cos (x) = - 4$
13593	Solve for x	cos(x)=3cos(x-2)	$\cos (x) = 3 \cos (x - 2)$
13594	Solve for x	cos(x+pi/4)=-( square root of 2)/2	$\cos (x + \frac{π}{4}) = - \frac{\sqrt{2}}{2}$
13595	Solve for x	cos(x)sin(x)=3cos(x)	$\cos (x) \sin (x) = 3 \cos (x)$
13596	Solve for x	cos(x)tan(x)-1/2=0	$\cos (x) \tan (x) - \frac{1}{2} = 0$
13597	Solve for x	cos(x)tan(x)=1/2	$\cos (x) \tan (x) = \frac{1}{2}$
13598	Solve for x	cos(x)csc(x)tan(x)=1	$\cos (x) \csc (x) \tan (x) = 1$
13599	Solve for x	cos(x)-2=0	$\cos (x) - 2 = 0$
13600	Solve for x	cos(x)-2cos(x)sin(x)=0	$\cos (x) - 2 \cos (x) \sin (x) = 0$