Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
9601	Solve for x	10cos(x)^2+5cos(x)-5=0	$10 \cos^{2} (x) + 5 \cos (x) - 5 = 0$
9602	Solve for x	10tan(x)=-10	$10 \tan (x) = - 10$
9603	Solve for x	x^2-9x-36=0	$x^{2} - 9 x - 36 = 0$
9604	Solve for x	(x+1)/12=24/18	$\frac{x + 1}{12} = \frac{24}{18}$
9605	Solve for x	(x+4)/4=x/(x-2)	$\frac{x + 4}{4} = \frac{x}{x - 2}$
9606	Solve for x	cos(30)=22/x	$\cos (30) = \frac{22}{x}$
9607	Solve for x	cos(3x)=cos(x)	$\cos (3 x) = \cos (x)$
9608	Solve for x	cos(3x)=-cos(x)	$\cos (3 x) = - \cos (x)$
9609	Solve for x	cos(4x)=1	$\cos (4 x) = 1$
9610	Solve for x	cos(x)(tan(x)+cot(x))=csc(x)	$\cos (x) (\tan (x) + \cot (x)) = \csc (x)$
9611	Solve for x	cos(x)*tan(x)=sin(x)	$\cos (x) \cdot \tan (x) = \sin (x)$
9612	Solve for x	cos(60)=x/12	$\cos (60) = \frac{x}{12}$
9613	Solve for x	cos(x)- square root of 1-3cos(x)^2=0	$\cos (x) - \sqrt{1 - 3 \cos^{2} (x)} = 0$
9614	Solve for x	cos(x)+sin(x)=1	$\cos (x) + \sin (x) = 1$
9615	Solve for x	cos(x)=-1/4	$\cos (x) = - \frac{1}{4}$
9616	Solve for x	cos(x)=12/13	$\cos (x) = \frac{12}{13}$
9617	Solve for x	cos(x)=-12/13	$\cos (x) = - \frac{12}{13}$
9618	Solve for x	cos(x)=10/15	$\cos (x) = \frac{10}{15}$
9619	Solve for x	csc(x)tan(x)-2=0	$\csc (x) \tan (x) - 2 = 0$
9620	Solve for x	f(pi/6)=cos(x+pi/3)	$f (\frac{π}{6}) = \cos (x + \frac{π}{3})$
9621	Solve for x	cot(x)=1/( square root of 3)	$\cot (x) = \frac{1}{\sqrt{3}}$
9622	Solve for x	csc(4x)-2=0	$\csc (4 x) - 2 = 0$
9623	Solve for x	cot(3x)=0	$\cot (3 x) = 0$
9624	Solve for x	cot(x)=-( square root of 3)/3	$\cot (x) = - \frac{\sqrt{3}}{3}$
9625	Solve for x	cot(x/2)=-1	$\cot (\frac{x}{2}) = - 1$
9626	Solve for x	cos(x)csc(x)=2cos(x)	$\cos (x) \csc (x) = 2 \cos (x)$
9627	Solve for x	cos(x+(3pi)/4)-cos(x-(3pi)/4)=1	$\cos (x + \frac{3 π}{4}) - \cos (x - \frac{3 π}{4}) = 1$
9628	Solve for x	cos(x)=3cos(x)-2	$\cos (x) = 3 \cos (x) - 2$
9629	Solve for x	cos(-x)=-cos(x)	$\cos (- x) = - \cos (x)$
9630	Solve for x	8cos(x)^2-2=0	$8 \cos^{2} (x) - 2 = 0$
9631	Solve for x	8cos(x)^2=2	$8 \cos^{2} (x) = 2$
9632	Solve for x	8sec(x)^2+4tan(x)^2-12=0	$8 \sec^{2} (x) + 4 \tan^{2} (x) - 12 = 0$
9633	Solve for x	8sin(x)^2+16sin(x)+8=0	$8 \sin^{2} (x) + 16 \sin (x) + 8 = 0$
9634	Solve for x	7sin(x)^2=sin(x)	$7 \sin^{2} (x) = \sin (x)$
9635	Solve for x	9tan(3x)=9	$9 \tan (3 x) = 9$
9636	Solve for x	cos(x/3)=( square root of 2)/2	$\cos (\frac{x}{3}) = \frac{\sqrt{2}}{2}$
9637	Solve for x	cos(-2x)=-( square root of 3)/2	$\cos (- 2 x) = - \frac{\sqrt{3}}{2}$
9638	Solve for x	cos(2x)+3cos(x)+2=0	$\cos (2 x) + 3 \cos (x) + 2 = 0$
9639	Solve for x	cos(2x)+3cos(x)=1	$\cos (2 x) + 3 \cos (x) = 1$
9640	Solve for x	cos(2x+pi/4)=( square root of 2)/2	$\cos (2 x + \frac{π}{4}) = \frac{\sqrt{2}}{2}$
9641	Solve for x	cos(2x)-cos(6x)=0	$\cos (2 x) - \cos (6 x) = 0$
9642	Solve for x	cos(2x-pi/2)=1	$\cos (2 x - \frac{π}{2}) = 1$
9643	Solve for x	cos(2x)=cos(x-1)	$\cos (2 x) = \cos (x - 1)$
9644	Solve for x	9sin(x)=-9	$9 \sin (x) = - 9$
9645	Solve for x	arccos(x)+2arcsin(( square root of 3)/2)=pi	$\arccos (x) + 2 \arcsin (\frac{\sqrt{3}}{2}) = π$
9646	Solve for x	arccos(x)+arcsin(( square root of 3)/2)=pi/2	$\arccos (x) + \arcsin (\frac{\sqrt{3}}{2}) = \frac{π}{2}$
9647	Solve for x	arcsin(20/29)+arccos(x)=pi/4	$\arcsin (\frac{20}{29}) + \arccos (x) = \frac{π}{4}$
9648	Solve for x	arccot(x)-arccos(1/2)=pi/3	$arccot (x) - \arccos (\frac{1}{2}) = \frac{π}{3}$
9649	Solve for x	arcsin(0)=x	$\arcsin (0) = x$
9650	Solve for x	arccos(x)=arctan(9/40)	$\arccos (x) = \arctan (\frac{9}{40})$
9651	Solve for x	arccos(x-1/2)=pi/4	$\arccos (x - \frac{1}{2}) = \frac{π}{4}$
9652	Solve for x	arcsin(3x)+arccos(x)=pi/6	$\arcsin (3 x) + \arccos (x) = \frac{π}{6}$
9653	Solve for x	arcsin(2x)+arccos(x)=pi/6	$\arcsin (2 x) + \arccos (x) = \frac{π}{6}$
9654	Solve for x	arcsin(x)=arccos(12/13)	$\arcsin (x) = \arccos (\frac{12}{13})$
9655	Solve for x	arctan(x)=\|x\|	$\arctan (x) = \| x \|$
9656	Solve for x	3sin(2x)-3/2* square root of 3=0	$3 \sin (2 x) - \frac{3}{2} \cdot \sqrt{3} = 0$
9657	Solve for x	3-5sin(x)=4sin(x)+1	$3 - 5 \sin (x) = 4 \sin (x) + 1$
9658	Solve for x	3arccos(2x)=2pi	$3 \arccos (2 x) = 2 π$
9659	Solve for x	3arccos(x)=pi	$3 \arccos (x) = π$
9660	Solve for x	3cos(x)+3=2sin(x)^2	$3 \cos (x) + 3 = 2 \sin^{2} (x)$
9661	Solve for x	3x^5-48x=0	$3 x^{5} - 48 x = 0$
9662	Solve for x	4x^2+5x+3=0	$4 x^{2} + 5 x + 3 = 0$
9663	Solve for x	4cos(x)^2-2cos(x)=0	$4 \cos^{2} (x) - 2 \cos (x) = 0$
9664	Simplify	1-sin(theta)^2	$1 - \sin^{2} (θ)$
9665	Solve for x	4x^2-x-5=0	$4 x^{2} - x - 5 = 0$
9666	Solve for x	4sin(x)^2=5-4cos(x)	$4 \sin^{2} (x) = 5 - 4 \cos (x)$
9667	Solve for x	4sin(x)^3-3sin(x)=0	$4 \sin^{3} (x) - 3 \sin (x) = 0$
9668	Solve for x	4- square root of 2x-5=1	$4 - \sqrt{2 x - 5} = 1$
9669	Solve for x	4(3^x)=20	$4 (3^{x}) = 20$
9670	Solve for x	4arccos(x)=pi	$4 \arccos (x) = π$
9671	Solve for x	3x+7=2x+5	$3 x + 7 = 2 x + 5$
9672	Solve for x	4sin(x)-1=0	$4 \sin (x) - 1 = 0$
9673	Solve for x	5sin(x)^2=sin(x)	$5 \sin^{2} (x) = \sin (x)$
9674	Solve for x	5x^2-13x-17=0	$5 x^{2} - 13 x - 17 = 0$
9675	Solve for x	5cos(x)=-2sin(x)^2+4	$5 \cos (x) = - 2 \sin^{2} (x) + 4$
9676	Solve for x	4tan(x)=-4	$4 \tan (x) = - 4$
9677	Solve for x	5 log of x-10=15	$5 \log (x - 10) = 15$
9678	Solve for x	5x+3=48	$5 x + 3 = 48$
9679	Solve for x	5y=4tan(x+1)	$5 y = 4 \tan (x + 1)$
9680	Solve for x	6*2^(4x)=21	$6 \cdot 2^{4 x} = 21$
9681	Solve for x	6arccos(x)=5pi	$6 \arccos (x) = 5 π$
9682	Solve for x	6tan(x)=-6	$6 \tan (x) = - 6$
9683	Solve for x	sin(x)cos(x)-cos(x)=0	$\sin (x) \cos (x) - \cos (x) = 0$
9684	Solve for x	sin(x)-sin(2x)=0	$\sin (x) - \sin (2 x) = 0$
9685	Solve for x	sin(x+(pi/4))-sin(x-(pi/4))=1	$\sin (x + (\frac{π}{4})) - \sin (x - (\frac{π}{4})) = 1$
9686	Solve for x	sin(x)cos(x)=-1/4	$\sin (x) \cos (x) = - \frac{1}{4}$
9687	Solve for x	tan(x/2)=1	$\tan (\frac{x}{2}) = 1$
9688	Solve for x	tan(x/2)=-1	$\tan (\frac{x}{2}) = - 1$
9689	Solve for x	tan(x/2)-sin(x)=0	$\tan (\frac{x}{2}) - \sin (x) = 0$
9690	Solve for x	tan(12)=10/x	$\tan (12) = \frac{10}{x}$
9691	Solve for x	tan(2x)+ square root of 3=0	$\tan (2 x) + \sqrt{3} = 0$
9692	Solve for x	tan(2x)=2/(cot(x)-tan(x))	$\tan (2 x) = \frac{2}{\cot (x) - \tan (x)}$
9693	Solve for x	tan(24)=5/x	$\tan (24) = \frac{5}{x}$
9694	Solve for x	tan(30)=x/15	$\tan (30) = \frac{x}{15}$
9695	Solve for x	tan(34)=x/20	$\tan (34) = \frac{x}{20}$
9696	Solve for x	tan(4x) = square root of 3	$\tan (4 x) = \sqrt{3}$
9697	Solve for x	tan(5x)=1	$\tan (5 x) = 1$
9698	Solve for x	tan(3x)=-( square root of 3)/3	$\tan (3 x) = - \frac{\sqrt{3}}{3}$
9699	Solve for x	tan(3x)-1=0	$\tan (3 x) - 1 = 0$
9700	Solve for x	tan(9x) = square root of 3	$\tan (9 x) = \sqrt{3}$