Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
15801	Solve for c	arccos(90)=16/c	$\arccos (90) = \frac{16}{c}$
15802	Solve for b	(2pi)/b=6pi	$\frac{2 π}{b} = 6 π$
15803	Solve for b	b=10cos(30)	$b = 10 \cos (30)$
15804	Solve for c	22.24^2=11^2+21^2-21121cos(c)	${22.24}^{2} = 11^{2} + 21^{2} - 2 \cdot 11 \cdot 21 \cos (c)$
15805	Solve for c	c^2=15	$c^{2} = 15$
15806	Solve for c	c^2=29	$c^{2} = 29$
15807	Solve for x	\|x-15\|=x^2-15x	$\| x - 15 \| = x^{2} - 15 x$
15808	Solve for x	(6x+4)^2=77	${(6 x + 4)}^{2} = 77$
15809	Solve for x	(2x)/(x^2-1)+(x+3)/(x+1)=(x+1)/(x-1)	$\frac{2 x}{x^{2} - 1} + \frac{x + 3}{x + 1} = \frac{x + 1}{x - 1}$
15810	Solve for x	(x^3-27)/(x-3)=x^2+3x+9	$\frac{x^{3} - 27}{x - 3} = x^{2} + 3 x + 9$
15811	Solve for x	\|-2\|x=4	$\| - 2 \| x = 4$
15812	Solve for x	12/(x^2-16)-24/(x-4)=3	$\frac{12}{x^{2} - 16} - \frac{24}{x - 4} = 3$
15813	Solve for x	(x+8)(x-5)=9	$(x + 8) (x - 5) = 9$
15814	Solve for v	v=5i-2j	$v = 5 i - 2 j$
15815	Solve for x	(tan(x)-1)(sec(x)-1)=0	$(\tan (x) - 1) (\sec (x) - 1) = 0$
15816	Solve for x	(1.45)^x=25	${(1.45)}^{x} = 25$
15817	Solve for x	(tan(x+1))(cos(x-1))=0	$(\tan (x + 1)) (\cos (x - 1)) = 0$
15818	Solve for v	4v^2=-8v-3	$4 v^{2} = - 8 v - 3$
15819	Solve for t	sec(t)-((cos(t))/(1+sin(t)))=tan(t)	$\sec (t) - (\frac{\cos (t)}{1 + \sin (t)}) = \tan (t)$
15820	Find the Sine Given the Point	(-7,24)	$(- 7, 24)$
15821	Solve for w	4w^2+7w=-3	$4 w^{2} + 7 w = - 3$
15822	Find the Exact Value	arcsin(tan(pi/4))	$\arcsin (\tan (\frac{π}{4}))$
15823	Solve for t	140=140-8t-16t^2	$140 = 140 - 8 t - 16 t^{2}$
15824	Solve for s	(11s+9)(2s-6)=0	$(11 s + 9) (2 s - 6) = 0$
15825	Solve for t	4.9t^2-30sin(x)t=0	$4.9 t^{2} - 30 \sin (x) t = 0$
15826	Solve for t	1000e^(0.04t)=4000	$1000 e^{0.04 t} = 4000$
15827	Solve for t	d=3cos(pit-pi/2)	$d = 3 \cos (π t - \frac{π}{2})$
15828	Solve for r	r = square root of 2^2+1^2	$r = \sqrt{2^{2} + 1^{2}}$
15829	Solve for t	h=-25t^2+ct+d	$h = - 25 t^{2} + c t + d$
15830	Solve for t	h=-5t^2+92t+16	$h = - 5 t^{2} + 92 t + 16$
15831	Solve for u	(u-1)^(4/3)=-3	${(u - 1)}^{\frac{4}{3}} = - 3$
15832	Solve for u	u^2-7u+1=0	$u^{2} - 7 u + 1 = 0$
15833	Solve for v	v=-6i-3j	$v = - 6 i - 3 j$
15834	Solve for x	4^x-6=4	$4^{x} - 6 = 4$
15835	Solve for x	6/(2x-2)+1/2=3/(x-1)	$\frac{6}{2 x - 2} + \frac{1}{2} = \frac{3}{x - 1}$
15836	Solve for x	7/(x+1)-5/2=4/(3x+3)	$\frac{7}{x + 1} - \frac{5}{2} = \frac{4}{3 x + 3}$
15837	Solve for x	8^(2x)+8^x-42=0	$8^{2 x} + 8^{x} - 42 = 0$
15838	Find the Reference Angle	-(17pi)/6	$- \frac{17 π}{6}$
15839	Evaluate	sin(-180)	$\sin (- 180)$
15840	Solve for x	\|x+3\|-9=2x	$\| x + 3 \| - 9 = 2 x$
15841	Evaluate	cos(arcsin(1/2))	$\cos (\arcsin (\frac{1}{2}))$
15842	Solve for x	(2.718)^(2x)+3(2.718)^x=-2	${(2.718)}^{2 x} + 3 {(2.718)}^{x} = - 2$
15843	Solve for x	\|2x-1\|+4=8	$\| 2 x - 1 \| + 4 = 8$
15844	Solve for x	\|2x-1\|=9	$\| 2 x - 1 \| = 9$
15845	Solve for x	1/2+5/(x-2)=3	$\frac{1}{2} + \frac{5}{x - 2} = 3$
15846	Solve for x	2/(x+2)=4/x	$\frac{2}{x + 2} = \frac{4}{x}$
15847	Solve for x	3^x-3^(x-2)=8	$3^{x} - 3^{x - 2} = 8$
15848	Solve for x	(3x+5)/(6x-5)=(x-5)/(2x+2)	$\frac{3 x + 5}{6 x - 5} = \frac{x - 5}{2 x + 2}$
15849	Solve for x	3/4x^2-2x+1/2=0	$\frac{3}{4} x^{2} - 2 x + \frac{1}{2} = 0$
15850	Solve for ?	2sin(theta)cos(theta)+ square root of 2cos(theta)=0	$2 \sin (θ) \cos (θ) + \sqrt{2} \cos (θ) = 0$
15851	Solve for x	square root of 2cos(x)sin(x)-cos(x)=0	$\sqrt{2} \cos (x) \sin (x) - \cos (x) = 0$
15852	Solve for x	square root of 3*cos(x)^2-2sin(x)=0	$\sqrt{3} \cdot \cos^{2} (x) - 2 \sin (x) = 0$
15853	Solve for x	square root of 3x-2+ square root of 11+x=-1	$\sqrt{3 x - 2} + \sqrt{11 + x} = - 1$
15854	Solve for x	square root of cos(x)=2cos(x)-1	$\sqrt{\cos (x)} = 2 \cos (x) - 1$
15855	Solve for x	e^(2.5x)=1+3	$e^{2.5 x} = 1 + 3$
15856	Solve for x	cot(x)^2-tan(x)^2=1	$\cot^{2} (x) - \tan^{2} (x) = 1$
15857	Solve for x	cot(x)^2+3csc(x)=-3	$\cot^{2} (x) + 3 \csc (x) = - 3$
15858	Solve for x	(cos(x)tan(x)-sin(x))/(cot(x))=0	$\frac{\cos (x) \tan (x) - \sin (x)}{\cot (x)} = 0$
15859	Find the Exact Value	cos(2)pi	$\cos (2) π$
15860	Solve for x	sin(2x)^2-3sin(2x)+1=0	$\sin^{2} (2 x) - 3 \sin (2 x) + 1 = 0$
15861	Solve for x	sin(x)^2+sin(x)=2	$\sin^{2} (x) + \sin (x) = 2$
15862	Solve for x	sin(5x)^2=-3/4	$\sin^{2} (5 x) = - \frac{3}{4}$
15863	Solve for x	sin(x)^2+4sin(x)+3=0	$\sin^{2} (x) + 4 \sin (x) + 3 = 0$
15864	Solve for y	y=arccot(- square root of 3/3)	$y = arccot (- \sqrt{\frac{3}{3}})$
15865	Solve for y	y=arccot(-( square root of 3)/3)	$y = arccot (- \frac{\sqrt{3}}{3})$
15866	Solve for y	y=arcsec(-1)	$y = arcsec (- 1)$
15867	Solve for y	y=arcsin(( square root of 2)/2)	$y = \arcsin (\frac{\sqrt{2}}{2})$
15868	Solve for y	y=arccos(- square root of 3/2)	$y = \arccos (- \sqrt{\frac{3}{2}})$
15869	Solve for y	y=arccos(0.44624593)	$y = \arccos (0.4\overline{462459})$
15870	Solve for y	y=90sin(1.1(16)+0.8)+25	$y = 90 \sin (1.1 (16) + 0.8) + 25$
15871	Solve for y	y=3sin(4pi)	$y = 3 \sin (4 π)$
15872	Solve for y	y=3x-2	$y = 3 x - 2$
15873	Solve for y	y=-4sin(0)	$y = - 4 \sin (0)$
15874	Solve for y	y=2sec(pi/2)	$y = 2 \sec (\frac{π}{2})$
15875	Solve for y	y=3csc(x/2)	$y = 3 \csc (\frac{x}{2})$
15876	Solve for y	y=-2sin(2pi)	$y = - 2 \sin (2 π)$
15877	Find the Exact Value	sin((13pi)/12)	$\sin (\frac{13 π}{12})$
15878	Solve for y	y=cos(arcsin(2/3))	$y = \cos (\arcsin (\frac{2}{3}))$
15879	Solve for y	y=cos(x)	$y = \cos (x)$
15880	Solve for y	y=cot(2pi)	$y = \cot (2 π)$
15881	Solve for y	y=sec(x/2-pi/3)	$y = \sec (\frac{x}{2} - \frac{π}{3})$
15882	Solve for y	y=cos(0)	$y = \cos (0)$
15883	Solve for y	y=sin(1/4)	$y = \sin (\frac{1}{4})$
15884	Find the Reference Angle	-216 degrees	$- 216 °$
15885	Find the Reference Angle	169 degrees	$169 °$
15886	Solve for z	5^((z+1)/3)=25^(1/z)	$5^{\frac{z + 1}{3}} = 25^{\frac{1}{z}}$
15887	Solve for y	y=tan(x-pi)+2	$y = \tan (x - π) + 2$
15888	Solve for z	z^3+8=0	$z^{3} + 8 = 0$
15889	Solve for z	2z^2+7z-15=0	$2 z^{2} + 7 z - 15 = 0$
15890	Solve for z	30+44i=6+5iz	$30 + 44 i = 6 + 5 i z$
15891	Solve for z	z^2=-8+8i square root of 3	$z^{2} = - 8 + 8 i \sqrt{3}$
15892	Solve for z	cos(z)=0.9613	$\cos (z) = 0.9613$
15893	Solve for z	log of 3z=2	$\log (3 z) = 2$
15894	Solve for z	tan(0.839)=z/500	$\tan (0.839) = \frac{z}{500}$
15895	Solve for y	y=arcsec( square root of 2)	$y = arcsec (\sqrt{2})$
15896	Solve for y	y = log base 5 of 130	$y = \log_{5} (130)$
15897	Solve for y	y=arcsin(sin((3pi)/4))	$y = \arcsin (\sin (\frac{3 π}{4}))$
15898	Solve for y	y=-11	$y = - 11$
15899	Solve for y	y=15tan(30)	$y = 15 \tan (30)$
15900	Solve for y	4y^2-10x^2-40x-8y-76=0	$4 y^{2} - 10 x^{2} - 40 x - 8 y - 76 = 0$