Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
37701	Graph	cos(2x)-cos(4x)	$\cos (2 x) - \cos (4 x)$
37702	Graph	cos(2x)cos(x)-sin(2x)sin(x)+0	$\cos (2 x) \cos (x) - \sin (2 x) \sin (x) + 0$
37703	Graph	cos(3x)=-1	$\cos (3 x) = - 1$
37704	Graph	cos(3x)=4cos(x)^3-3cos(x)	$\cos (3 x) = 4 \cos^{3} (x) - 3 \cos (x)$
37705	Find the Exact Value	arctan((- square root of 3)/3)	$\arctan (\frac{- \sqrt{3}}{3})$
37706	Graph	cos(3x)=0	$\cos (3 x) = 0$
37707	Graph	cos(3x)cos(5x)=0	$\cos (3 x) \cos (5 x) = 0$
37708	Graph	cos(40)-sin(16)	$\cos (40) - \sin (16)$
37709	Graph	cos(4x)=1.2x-1.5	$\cos (4 x) = 1.2 x - 1.5$
37710	Graph	cos(169)cos(71)-sin(169)sin(71)	$\cos (169) \cos (71) - \sin (169) \sin (71)$
37711	Graph	cos(2arccos(4/5))	$\cos (2 \arccos (\frac{4}{5}))$
37712	Graph	cos(220)	$\cos (220)$
37713	Graph	cos(225)	$\cos (225)$
37714	Graph	cos(2n+1)*90=0	$\cos (2 n + 1) \cdot 90 = 0$
37715	Graph	cos(2pi-x)=cos(x)	$\cos (2 π - x) = \cos (x)$
37716	Graph	cos(2x)+cos(x-2)=0	$\cos (2 x) + \cos (x - 2) = 0$
37717	Graph	cos(2x)=( square root of 2)/2	$\cos (2 x) = \frac{\sqrt{2}}{2}$
37718	Graph	cos(2x)=( square root of 3)/2	$\cos (2 x) = \frac{\sqrt{3}}{2}$
37719	Graph	arccos(-40/( square root of 1517))	$\arccos (\frac{- 40}{\sqrt{1517}})$
37720	Graph	arccos(18)	$\arccos (18)$
37721	Graph	arccot(-20/21)	$arccot (- \frac{20}{21})$
37722	Graph	arccot(4h^2-6)	$arccot (4 h^{2} - 6)$
37723	Graph	arcos(-1/2)	arcos $(- \frac{1}{2})$
37724	Graph	arcsec(3.5)	$arcsec (3.5)$
37725	Graph	arcsin(-0.135)	$\arcsin (- 0.135)$
37726	Graph	cos(5)	$\cos (5)$
37727	Graph	cos(600)200+cos(50)140	$\cos (600) \cdot 200 + \cos (50) \cdot 140$
37728	Graph	cos(7)cos(10)-sin(7)sin(10)	$\cos (7) \cos (10) - \sin (7) \sin (10)$
37729	Graph	cos(75)	$\cos (75)$
37730	Graph	cos(80)cos(35)+sin(80)sin(35)	$\cos (80) \cos (35) + \sin (80) \sin (35)$
37731	Graph	cos(8t)	$\cos (8 t)$
37732	Graph	cos(a)+3sin(a)^2+3cos(a)^2	$\cos (a) + 3 \sin^{2} (a) + 3 \cos^{2} (a)$
37733	Graph	cos(a+b)sin(a-b)=sin(a)cos(a)-sin(b)*cos(b)	$\cos (a + b) \cdot \sin (a - b) = \sin (a) \cdot \cos (a) - \sin (b) \cdot \cos (b)$
37734	Graph	cos(a+b)=(15/17)((- square root of 40)/7)+8/17(-3/7)	$\cos (a + b) = (\frac{15}{17}) (\frac{- \sqrt{40}}{7}) + \frac{8}{17} (- \frac{3}{7})$
37735	Graph	cos(a-b)=16/65	$\cos (a - b) = \frac{16}{65}$
37736	Graph	cos(arcsin(1/2))-arccos(1)	$\cos (\arcsin (\frac{1}{2})) - \arccos (1)$
37737	Graph	cos(t)=--2/9	$\cos (t) = - \frac{- 2}{9}$
37738	Graph	cos(x)<0	$\cos (x) < 0$
37739	Simplify	(1-cos(theta))/(1+cos(theta))	$\frac{1 - \cos (θ)}{1 + \cos (θ)}$
37740	Graph	cos(x)cos(3x)+sin(-x)sin(3x)	$\cos (x) \cos (3 x) + \sin (- x) \sin (3 x)$
37741	Graph	cos(x)tan(x)	$\cos (x) \tan (x)$
37742	Graph	cos(x-pi/18)	$\cos (x - \frac{π}{18})$
37743	Graph	cos(x-pi/9)	$\cos (x - \frac{π}{9})$
37744	Graph	cos(x+(3pi)/2)	$\cos (x + \frac{3 π}{2})$
37745	Graph	cos(x+pi/2)=cos(pi/6)	$\cos (x + \frac{π}{2}) = \cos (\frac{π}{6})$
37746	Graph	cos(x+y)cos(x-y)	$\cos (x + y) \cos (x - y)$
37747	Graph	arcsin(3/5)	$\arcsin (\frac{3}{5})$
37748	Graph	arcsin(0.63)	$\arcsin (0.63)$
37749	Graph	arcsin(10)	$\arcsin (10)$
37750	Graph	arcsin(3x+9)	$\arcsin (3 x + 9)$
37751	Graph	arcsin(x)=arctan(60/11)	$\arcsin (x) = \arctan (\frac{60}{11})$
37752	Graph	arctan(-0.4/-0.808)	$\arctan (- \frac{0.4}{- 0.808})$
37753	Graph	arctan(-2/-1)	$\arctan (\frac{- 2}{- 1})$
37754	Graph	arctan( square root of x+1)	$\arctan (\sqrt{x + 1})$
37755	Graph	arctan(n)(k)	$\arctan (n) (k)$
37756	Graph	b=arccos(-1.4372)	$b = \arccos (- 1.4372)$
37757	Graph	b=(csin(b))/(sin(c))=(3.1sin(50))/(sin(55))	$b = \frac{c \sin (b)}{\sin (c)} = \frac{3.1 \sin (50)}{\sin (55)}$
37758	Graph	C(x)=0.4x^2-3.68x+9.524	$C (x) = 0.4 x^{2} - 3.68 x + 9.524$
37759	Graph	90*11/( square root of 221)	$90 \cdot \frac{11}{\sqrt{221}}$
37760	Graph	90<x<180	$90 < x < 180$
37761	Graph	99 degrees	$99 °$
37762	Graph	9cot(5)f natural log of arcsin(arccos(arctan(sec(h(csc(cot(10)^5))))))(x)y^2-25	$9 \cot (5) f \ln (\arcsin (\arccos (\arctan (sech (\csc (\cot^{5} (10))))))) (x) y^{2} - 25$
37763	Graph	9sec(x-pi/2)	$9 \sec (x - \frac{π}{2})$
37764	Graph	9sin(x)-5cos(x)=2.4	$9 \sin (x) - 5 \cos (x) = 2.4$
37765	Graph	a(t)=P(1+r/n)^(nt)	$a (t) = P {(1 + \frac{r}{n})}^{n t}$
37766	Graph	a(n)=(1/3)^n	$a (n) = {(\frac{1}{3})}^{n}$
37767	Graph	a(n)=n^2-n	$a (n) = n^{2} - n$
37768	Graph	a(n)=-11+7n	$a (n) = - 11 + 7 n$
37769	Graph	a(n)=7n-4	$a (n) = 7 n - 4$
37770	Graph	a=260	$a = 260$
37771	Graph	A=-270	$A = - 270$
37772	Graph	a=5i+3j	$a = 5 i + 3 j$
37773	Graph	An=3n+2
37774	Graph	arccos((-5 square root of 2)/2)	$\arccos (\frac{- 5 \sqrt{2}}{2})$
37775	Graph	arccos(1/(1.4789i))	$\arccos (\frac{1}{1.4789 i})$
37776	Graph	cos(( square root of 7)/4)	$\cos (\frac{\sqrt{7}}{4})$
37777	Graph	cos(1/2*arccos(x))	$\cos (\frac{1}{2} \cdot \arccos (x))$
37778	Graph	cos(1/3+( square root of 15)/4)	$\cos (\frac{1}{3} + \frac{\sqrt{15}}{4})$
37779	Graph	cos((11pi)/12)cos((2pi)/3)+sin((11pi)/12)sin((2pi)/3)	$\cos (\frac{11 π}{12}) \cos (\frac{2 π}{3}) + \sin (\frac{11 π}{12}) \sin (\frac{2 π}{3})$
37780	Graph	cos((13pi)/28)cos((2pi)/7)-sin((13pi)/28)sin((2pi)/7)	$\cos (\frac{13 π}{28}) \cos (\frac{2 π}{7}) - \sin (\frac{13 π}{28}) \sin (\frac{2 π}{7})$
37781	Graph	cos((31pi)/36)cos(pi/36)+sin((31pi)/36)sin(pi/36)	$\cos (\frac{31 π}{36}) \cos (\frac{π}{36}) + \sin (\frac{31 π}{36}) \sin (\frac{π}{36})$
37782	Graph	cos((3pi)/8)	$\cos (\frac{3 π}{8})$
37783	Graph	cos((5x)/2)-cos((15x)/2)	$\cos (\frac{5 x}{2}) - \cos (\frac{15 x}{2})$
37784	Graph	cos(7/25)	$\cos (\frac{7}{25})$
37785	Graph	cos(7/4)pi+sin(7/4)pi	$\cos (\frac{7}{4}) π + \sin (\frac{7}{4}) π$
37786	Graph	cos((7pi)/2)	$\cos (\frac{7 π}{2})$
37787	Graph	cos(pi/9)x^-1	$\cos (\frac{π}{9}) x^{- 1}$
37788	Graph	cos(arctan(5/12))	$\cos (\arctan (\frac{5}{12}))$
37789	Graph	cos(x/30)	$\cos (\frac{x}{30})$
37790	Graph	cos(0.450)	$\cos (0.45)$
37791	Graph	cos(1)	$\cos (1)$
37792	Graph	cos(115)-cos(25)+sin(115)-sin(25)	$\cos (115) - \cos (25) + \sin (115) - \sin (25)$
37793	Graph	cos(132)	$\cos (132)$
37794	Graph	cos(-135)	$\cos (- 135)$
37795	Graph	cos(x)=-( square root of 6)/4	$\cos (x) = - \frac{\sqrt{6}}{4}$
37796	Graph	cos(x)=(11pi)/6	$\cos (x) = \frac{11 π}{6}$
37797	Graph	cos(x)=--3/4	$\cos (x) = - \frac{- 3}{4}$
37798	Graph	cos(x)=3/5	$\cos (x) = \frac{3}{5}$
37799	Graph	cos(x)=-4/7	$\cos (x) = - \frac{4}{7}$
37800	Graph	cos(x)=- square root of 3	$\cos (x) = - \sqrt{3}$