Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
24401	Determine the Type of Number	sin(pi/8)	$\sin (\frac{π}{8})$
24402	Determine the Type of Number	cos(300)	$\cos (300)$
24403	Determine the Type of Number	csc(5/4)	$\csc (\frac{5}{4})$
24404	Determine the Type of Number	cos(105)	$\cos (105)$
24405	Determine the Type of Number	325	$325$
24406	Determine the Type of Number	cos((3pi)/8)	$\cos (\frac{3 π}{8})$
24407	Determine the Type of Number	cos(pi/8)	$\cos (\frac{π}{8})$
24408	Determine the Type of Number	square root of 22	$\sqrt{22}$
24409	Determine the Type of Number	sin(30)	$\sin (30)$
24410	Determine the Type of Number	sin(pi/2)	$\sin (\frac{π}{2})$
24411	Determine the Type of Number	sin(240)	$\sin (240)$
24412	Determine the Type of Number	sin(145)	$\sin (145)$
24413	Determine the Type of Number	sin(90)	$\sin (90)$
24414	Determine the Type of Number	sin(60)	$\sin (60)$
24415	Determine the Type of Number	sin(75)	$\sin (75)$
24416	Determine the Type of Number	tan(2.2)	$\tan (2.2)$
24417	Determine the Type of Number	tan(22.5)	$\tan (22.5)$
24418	Determine the Types of the Numbers	149 , 20	$149$ , $20$
24419	Find Where Undefined/Discontinuous	y=sec(x)	$y = \sec (x)$
24420	Find Where Undefined/Discontinuous	y=h+88cos(60)t-16t^2	$y = h + 88 \cos (60) t - 16 t^{2}$
24421	Find Where Undefined/Discontinuous	y=sin(x)	$y = \sin (x)$
24422	Find Where Undefined/Discontinuous	x^2+y^2+4x-8y+24=0	$x^{2} + y^{2} + 4 x - 8 y + 24 = 0$
24423	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(-2,3) , (4,15)	$(- 2, 3) (4, 15)$
24424	Factor	f(x)=2x^2-4	$f (x) = 2 x^{2} - 4$
24425	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(-1,3) , (2,4)	$(- 1, 3) (2, 4)$
24426	Add	cos((37pi)/42)cos((5pi)/7)+sin((37pi)/42)sin((5pi)/7)	$\cos (\frac{37 π}{42}) \cos (\frac{5 π}{7}) + \sin (\frac{37 π}{42}) \sin (\frac{5 π}{7})$
24427	Add	sin(20)cos(10)+cos(20)sin(10)	$\sin (20) \cos (10) + \cos (20) \sin (10)$
24428	Add	sin(20)cos(40)+cos(20)sin(40)	$\sin (20) \cos (40) + \cos (20) \sin (40)$
24429	Rationalize the Denominator	(sin(x)cos(x))/(1-(cos(x)-sin(x))(cos(x)-sin(x)))	$\frac{\sin (x) \cos (x)}{1 - (\cos (x) - \sin (x)) (\cos (x) - \sin (x))}$
24430	Rationalize the Denominator	(sin(x)cos(x))/(1-cos(x)^2)	$\frac{\sin (x) \cos (x)}{1 - \cos^{2} (x)}$
24431	Rationalize the Denominator	2/(1+cos(x))	$\frac{2}{1 + \cos (x)}$
24432	Solve by Graphing	tan(x)=1	$\tan (x) = 1$
24433	Rationalize the Denominator	(3tan(x)^2)/(csc(x)+1)	$\frac{3 \tan^{2} (x)}{\csc (x) + 1}$
24434	Subtract	sin(4x)cos(3x)-cos(4x)sin(3x)	$\sin (4 x) \cos (3 x) - \cos (4 x) \sin (3 x)$
24435	Subtract	sec(x)-cos(x)	$\sec (x) - \cos (x)$
24436	Add	sin(40)cos(5)+cos(40)sin(5)	$\sin (40) \cos (5) + \cos (40) \sin (5)$
24437	Solve for x	x=150	$x = 150$
24438	Solve for x	x^-2=16	$x^{- 2} = 16$
24439	Solve for x	3arcsin(x)=pi	$3 \arcsin (x) = π$
24440	Solve for x	3x^2+15x+18=0	$3 x^{2} + 15 x + 18 = 0$
24441	Solve for x	4sin(x)+5=3	$4 \sin (x) + 5 = 3$
24442	Solve for x	2x^2+26x+156=0	$2 x^{2} + 26 x + 156 = 0$
24443	Solve for x	15arccos((y-3pi)/4)=5pi	$15 \arccos (\frac{y - 3 π}{4}) = 5 π$
24444	Solve for x	sec(x)(sec(x)-cos(x))=tan(x)^2	$\sec (x) (\sec (x) - \cos (x)) = \tan^{2} (x)$
24445	Solve for x	sin(x)=-5	$\sin (x) = - 5$
24446	Solve for x	8sin(x)cos(x)=sin(4x)	$8 \sin (x) \cos (x) = \sin (4 x)$
24447	Solve for x	tan(x)=0.111	$\tan (x) = 0.111$
24448	Solve for x	y=1/4*cos(3x)	$y = \frac{1}{4} \cdot \cos (3 x)$
24449	Solve for x	sin(x)=-1/3	$\sin (x) = - \frac{1}{3}$
24450	Solve for x	sec(x)cot(x)=csc(x)	$\sec (x) \cot (x) = \csc (x)$
24451	Solve for x	sin(x)=4/5	$\sin (x) = \frac{4}{5}$
24452	Solve for x	sin(x)=-4/5	$\sin (x) = - \frac{4}{5}$
24453	Solve for x	cot(x)=1/2	$\cot (x) = \frac{1}{2}$
24454	Solve for x	cos(x)=-( square root of 2)/2	$\cos (x) = - \frac{\sqrt{2}}{2}$
24455	Solve for x	cos(x)=0.7369	$\cos (x) = 0.7369$
24456	Solve for θ in Radians	sin(theta)=-( square root of 3)/2	$\cos (2 x) + 4 \sin^{2} (x) = 2$
24457	Solve for x	cos(3x)=-0.5	$\cos (3 x) = - 0.5$
24458	Solve for x	9x^2+3x-4=0	$9 x^{2} + 3 x - 4 = 0$
24459	Solve for x	arccos(x)+arccos(2x)=pi/3	$\arccos (x) + \arccos (2 x) = \frac{π}{3}$
24460	Solve for x	-41/(5x^2)*1+2/(5x)-2 4/5=0	$- \frac{41}{5 x^{2}} \cdot 1 + \frac{2}{5 x} - 2 \frac{4}{5} = 0$
24461	Solve for x	4cos(x)^2-4cos(x)+1=0	$4 \cos^{2} (x) - 4 \cos (x) + 1 = 0$
24462	Solve for x	csc(x)(3cot(x)^2-1)=0	$\csc (x) (3 \cot^{2} (x) - 1) = 0$
24463	Solve for x	tan(x)sin(x)^2=tan(x)	$\tan (x) \sin^{2} (x) = \tan (x)$
24464	Solve for x	t=pi/3	$t = \frac{π}{3}$
24465	Solve for x	y=2x^2-8x+6	$y = 2 x^{2} - 8 x + 6$
24466	Solve for x	sin(x)-cos(x)=6x	$\sin (x) - \cos (x) = 6 x$
24467	Solve for x	tan(x) = square root of 2sin(x)	$\tan (x) = \sqrt{2} \sin (x)$
24468	Solve for x	y=sin(3x)	$y = \sin (3 x)$
24469	Solve for x	y=sin(-x)	$y = \sin (- x)$
24470	Solve for x	y=tan(70/4)	$y = \tan (\frac{70}{4})$
24471	Solve for x	z=-5-4i	$z = - 5 - 4 i$
24472	Write in Exponential Form	cos(pi/13)+cos((3pi)/13)+cos((5pi)/13)+cos((7pi)/13)+cos((9pi)/13)+cos((11pi)/13)=1/2	$\cos (\frac{π}{13}) + \cos (\frac{3 π}{13}) + \cos (\frac{5 π}{13}) + \cos (\frac{7 π}{13}) + \cos (\frac{9 π}{13}) + \cos (\frac{11 π}{13}) = \frac{1}{2}$
24473	Write in Exponential Form	sin(pi/4) = square root of 1-cos(pi/4)^2	$\sin (\frac{π}{4}) = \sqrt{1 - \cos^{2} (\frac{π}{4})}$
24474	Find the Inverse	sin(x)^2	$\sin^{2} (x)$
24475	Find the Inverse	square root of 5x^2-10x+52	$\sqrt{5 x^{2}} - 10 x + 52$
24476	Find the Inverse	-2cos(3x)	$- 2 \cos (3 x)$
24477	Find Amplitude, Period, and Phase Shift	y=2cos(pi)x	$y = 2 \cos (π) x$
24478	Evaluate	sec(-(11pi)/6)	$\sec (- \frac{11 π}{6})$
24479	Determine the Type of Number	sin(4)	$\sin (4)$
24480	Find the Inverse	5sin(x+2)	$5 \sin (x + 2)$
24481	Find the Inverse	8sin(x)^4	$8 \sin^{4} (x)$
24482	Find the Inverse	cot(x)	$\cot (x)$
24483	Find the Inverse	arcsin(0)	$\arcsin (0)$
24484	Find the Inverse	cos(3x)+cos(2x)	$\cos (3 x) + \cos (2 x)$
24485	Find the Inverse	f(x)=3/(x-5)	$f (x) = \frac{3}{x - 5}$
24486	Find the Inverse	f(x)=(3e^x-8)/(20e^x+15)	$f (x) = \frac{3 e^{x} - 8}{20 e^{x} + 15}$
24487	Find the Inverse	sin((7pi)/6)	$\sin (\frac{7 π}{6})$
24488	Find the Inverse	sin(pi/10)	$\sin (\frac{π}{10})$
24489	Find the Inverse	sin(1/2)	$\sin (\frac{1}{2})$
24490	Find the Inverse	sin(0)	$\sin (0)$
24491	Find the Inverse	sin(57)cos(13)-cos(57)sin(13)	$\sin (57) \cos (13) - \cos (57) \sin (13)$
24492	Find the Inverse	f(x)=2sin(x)-7	$f (x) = 2 \sin (x) - 7$
24493	Find the Inverse	-5cos(7x)	$- 5 \cos (7 x)$
24494	Find the Inverse	arcsin(-1/2)	$\arcsin (- \frac{1}{2})$
24495	Find the Inverse	f(x)=12-6x	$f (x) = 12 - 6 x$
24496	Find the Inverse	y=1/2*sin(x)	$y = \frac{1}{2} \cdot \sin (x)$
24497	Find the Inverse	x=y^2-8y	$x = y^{2} - 8 y$
24498	Find the Inverse	y=(x-8)^2	$y = {(x - 8)}^{2}$
24499	Find the Inverse	y=-1/3*sin(x/4)	$y = - \frac{1}{3} \cdot \sin (\frac{x}{4})$
24500	Find the Inverse	tan(x)	$\tan (x)$