Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
30301	Determine if True	cos(-49)=-cos(49)	$\cos (- 49) = - \cos (49)$
30302	Determine if True	cos(5.6)=3400	$\cos (5.6) = 3400$
30303	Determine if Linear	cos(x/2)=- square root of (1+cos(x))/2	$\cos (\frac{x}{2}) = - \sqrt{\frac{1 + \cos (x)}{2}}$
30304	Determine if Linear	cos(pi/2-x)=sin(x)	$\cos (\frac{π}{2} - x) = \sin (x)$
30305	Determine if Linear	cos(2pix)=cos(x)	$\cos (2 π x) = \cos (x)$
30306	Determine if Linear	cos(2x) = square root of 2-cos(2x)	$\cos (2 x) = \sqrt{2} - \cos (2 x)$
30307	Determine if Linear	cos(2x)=sin(x)	$\cos (2 x) = \sin (x)$
30308	Determine if Linear	cos(3x)=1/4*cos(6x)+3/4	$\cos (3 x) = \frac{1}{4} \cdot \cos (6 x) + \frac{3}{4}$
30309	Determine if Linear	cos(3x)=-1	$\cos (3 x) = - 1$
30310	Determine if Linear	cos(4x)+7cos(2x)=8	$\cos (4 x) + 7 \cos (2 x) = 8$
30311	Determine if Linear	cos(4x)=cos(7x)cos(3x)+sin(7x)sin(3x)	$\cos (4 x) = \cos (7 x) \cos (3 x) + \sin (7 x) \sin (3 x)$
30312	Determine if Linear	cos(x)	$\cos (x)$
30313	Determine if Linear	cos(x)=1/2	$\cos (x) = \frac{1}{2}$
30314	Determine if Linear	cos(x)cos(3x)-sin(x)sin(3x)=0	$\cos (x) \cos (3 x) - \sin (x) \sin (3 x) = 0$
30315	Determine if Linear	cos(x)-sin(2x)=0	$\cos (x) - \sin (2 x) = 0$
30316	Determine if Linear	cos(x)-sin(x)=( square root of 2)/2	$\cos (x) - \sin (x) = \frac{\sqrt{2}}{2}$
30317	Determine if Linear	cot(3a+50)=tan(7a-70)	$\cot (3 a + 50) = \tan (7 a - 70)$
30318	Determine if Linear	cot(6x-6)=1/(tan(4x+8))	$\cot (6 x - 6) = \frac{1}{\tan (4 x + 8)}$
30319	Determine if Linear	cot(x)=4	$\cot (x) = 4$
30320	Determine if Linear	d=(n(n-3))/2	$d = \frac{n (n - 3)}{2}$
30321	Determine if Linear	d = square root of -1-(-5)^2+(2-2)^2	$d = \sqrt{- 1 - {(- 5)}^{2} + {(2 - 2)}^{2}}$
30322	Determine if Linear	f(3x-2)=(3x-1)/(x-7)	$f (3 x - 2) = \frac{3 x - 1}{x - 7}$
30323	Determine if Linear	f(x)=(x-3)(x-2)(x-(2-i))(x-(2+i))	$f (x) = (x - 3) (x - 2) (x - (2 - i)) (x - (2 + i))$
30324	Determine if Linear	f(x)=(x-7i)(x+7i)	$f (x) = (x - 7 i) (x + 7 i)$
30325	Determine if Linear	f(x)=0.75^x	$f (x) = {0.75}^{x}$
30326	Determine if Linear	f(x)=1.6^x	$f (x) = {1.6}^{x}$
30327	Determine if Linear	f(x)=8/(3x)	$f (x) = \frac{8}{3 x}$
30328	Determine if Linear	f(x)=x^2+12x+5	$f (x) = x^{2} + 12 x + 5$
30329	Determine if Linear	f(x)=x^2-14x+56	$f (x) = x^{2} - 14 x + 56$
30330	Determine if Linear	f(x)=-x^3-4x^2+2x-1	$f (x) = - x^{3} - 4 x^{2} + 2 x - 1$
30331	Determine if Linear	f(x)=x^3-6x^2+11x-6	$f (x) = x^{3} - 6 x^{2} + 11 x - 6$
30332	Determine if Linear	f(x)=100x-37	$f (x) = 100 x - 37$
30333	Determine if Linear	f(x)=2x^4-x^2	$f (x) = 2 x^{4} - x^{2}$
30334	Determine if Linear	f(x)=2x-3	$f (x) = 2 x - 3$
30335	Determine if Linear	f(x)=3(5^x)-5	$f (x) = 3 (5^{x}) - 5$
30336	Determine if Linear	f(x)=-4x+9	$f (x) = - 4 x + 9$
30337	Determine if Linear	f(x)=7x+5	$f (x) = 7 x + 5$
30338	Determine if Linear	f(x)=9.38x-53.65	$f (x) = 9.38 x - 53.65$
30339	Determine if Linear	f(x)=9x^4-37x^2+4	$f (x) = 9 x^{4} - 37 x^{2} + 4$
30340	Determine if Linear	f(x)=9x+7	$f (x) = 9 x + 7$
30341	Determine if Linear	f(x)=x(x+5)	$f (x) = x (x + 5)$
30342	Determine if Linear	floor (-3)=-8	floor $(- 3) = - 8$
30343	Determine if Linear	g(x)=x^2-10x-3	$g (x) = x^{2} - 10 x - 3$
30344	Determine if Linear	g(x)=-6x-8	$g (x) = - 6 x - 8$
30345	Determine if Linear	natural log of x-2- natural log of x+2 = natural log of x-1- natural log of x+8	$\ln (x - 2) - \ln (x + 2) = \ln (x - 1) - \ln (x + 8)$
30346	Determine if Linear	log of 0.84509=x	$\log (0.84509) = x$
30347	Determine if Linear	Q=3^t+2^t	$Q = 3^{t} + 2^{t}$
30348	Determine if Linear	r+rsin(theta)=1	$r + r \sin (θ) = 1$
30349	Determine if Linear	r=12/(7-5cos(x))	$r = \frac{12}{7 - 5 \cos (x)}$
30350	Determine if Linear	r=-5cos(x)	$r = - 5 \cos (x)$
30351	Determine if Linear	r=8cos(x)+2sin(x)	$r = 8 \cos (x) + 2 \sin (x)$
30352	Determine if Linear	sec(-x)=-sec(x)	$\sec (- x) = - \sec (x)$
30353	Determine if Linear	sin(x)=-( square root of 2)/2	$\sin (x) = - \frac{\sqrt{2}}{2}$
30354	Determine if Linear	a=9.4tan(1.3)	$a = 9.4 \tan (1.3)$
30355	Determine if Linear	arccos(cos(x))=x	$\arccos (\cos (x)) = x$
30356	Determine if Linear	arccsc(x)=1/(cos(x))	$arccsc (x) = \frac{1}{\cos (x)}$
30357	Determine if Linear	arctan(x)=-1	$\arctan (x) = - 1$
30358	Determine if Linear	cos(x)=( square root of 2)/2	$\cos (x) = \frac{\sqrt{2}}{2}$
30359	Determine if Continuous	(5x)/(2x^3-17x^2-9x)	$\frac{5 x}{2 x^{3} - 17 x^{2} - 9 x}$
30360	Determine if Continuous	(cos(5x))/5	$\frac{\cos (5 x)}{5}$
30361	Determine if Continuous	cot(x)^2	$\cot^{2} (x)$
30362	Determine if Continuous	(sin(x)+cos(x))/(sin(x)cos(x))	$\frac{\sin (x) + \cos (x)}{\sin (x) \cos (x)}$
30363	Determine if Continuous	sin(x)^4cos(x)^4	$\sin^{4} (x) \cos^{4} (x)$
30364	Determine if Continuous	x^2+y^2=1	$x^{2} + y^{2} = 1$
30365	Determine if Linear	sin(4x)+2sin(2x)=4sin(2x)*cos(x)^2	$\sin (4 x) + 2 \sin (2 x) = 4 \sin (2 x) \cdot \cos^{2} (x)$
30366	Determine if Linear	sin(5x)cos(4x)-cos(5x)sin(4x)=0	$\sin (5 x) \cos (4 x) - \cos (5 x) \sin (4 x) = 0$
30367	Determine if Linear	sin(8x)-sin(2x)=2cos(2x)cos(5x)	$\sin (8 x) - \sin (2 x) = 2 \cos (2 x) \cos (5 x)$
30368	Determine if Linear	sin(a)=0.0547	$\sin (a) = 0.0547$
30369	Determine if Linear	sin(a)=cos(x)	$\sin (a) = \cos (x)$
30370	Determine if Linear	sin(2x+10)=cos(3x-20)	$\sin (2 x + 10) = \cos (3 x - 20)$
30371	Determine if Linear	-sin(2x)+cos(x)=0	$- \sin (2 x) + \cos (x) = 0$
30372	Determine if Linear	sin(2x)+sin(x)=0	$\sin (2 x) + \sin (x) = 0$
30373	Determine if Linear	sin(2x)-2 square root of 3cos(x)^2-4sin(x)+4 square root of 3cos(x)=0	$\sin (2 x) - 2 \sqrt{3} \cos^{2} (x) - 4 \sin (x) + 4 \sqrt{3} \cos (x) = 0$
30374	Determine if Linear	sin(2x)sin(x)-cos(x)=0	$\sin (2 x) \sin (x) - \cos (x) = 0$
30375	Determine if Linear	sin(4x+2)csc(3x+5)=1	$\sin (4 x + 2) \csc (3 x + 5) = 1$
30376	Determine if Linear	sin(x)=-0.8290	$\sin (x) = - 0.829$
30377	Determine if Linear	sin(x)=0.8975	$\sin (x) = 0.8975$
30378	Determine if Linear	sin(x)=210	$\sin (x) = 210$
30379	Determine if Linear	sin(pi/2-x)=-cos(-x)	$\sin (\frac{π}{2} - x) = - \cos (- x)$
30380	Determine if Linear	sin((pi-y)/2)=cos(y)	$\sin (\frac{π - y}{2}) = \cos (y)$
30381	Determine if Linear	sin(x/5)=( square root of 2)/2	$\sin (\frac{x}{5}) = \frac{\sqrt{2}}{2}$
30382	Determine if Linear	sin(2x)=-1/2	$\sin (2 x) = - \frac{1}{2}$
30383	Determine if Linear	x=6/7	$x = \frac{6}{7}$
30384	Determine if Linear	x=pi/2	$x = \frac{π}{2}$
30385	Determine if Linear	x=-pi/2	$x = - \frac{π}{2}$
30386	Determine if Linear	v=9i+9j	$v = 9 i + 9 j$
30387	Determine if Linear	-x+y^2=2	$- x + y^{2} = 2$
30388	Determine if Linear	x=(7+7i square root of 3)/2	$x = \frac{7 + 7 i \sqrt{3}}{2}$
30389	Determine if Linear	x=cos(30)	$x = \cos (30)$
30390	Determine if Linear	x=cos(nx)	$x = \cos (n x)$
30391	Determine if Linear	x=sin(2t)y=cos(2t)	$x = \sin (2 t) y = \cos (2 t)$
30392	Determine if Linear	y=8xy+9	$y = 8 x y + 9$
30393	Determine if Linear	y=0.25x^4-1.3x^3-17x^2+19x+95	$y = 0.25 x^{4} - 1.3 x^{3} - 17 x^{2} + 19 x + 95$
30394	Determine if Linear	y=36/x	$y = \frac{36}{x}$
30395	Determine if Linear	y=-7/4x+5/2	$y = - \frac{7}{4} x + \frac{5}{2}$
30396	Determine if Linear	y = square root of x^2+y^2	$y = \sqrt{x^{2} + y^{2}}$
30397	Determine if Linear	y=x^(2-1)	$y = x^{2 - 1}$
30398	Determine if Linear	y=x^3-3x^2-9x	$y = x^{3} - 3 x^{2} - 9 x$
30399	Determine if Linear	y=-0.25x+1	$y = - 0.25 x + 1$
30400	Determine if Linear	y=2-3sin(2x-pi)	$y = 2 - 3 \sin (2 x - π)$