Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
4901	Simplify	cos(x-(3pi)/2)	$\cos (x - \frac{3 π}{2})$
4902	Simplify	cos(x)tan(x)+sin(x)cot(x)	$\cos (x) \tan (x) + \sin (x) \cot (x)$
4903	Simplify	cot(150)	$\cot (150)$
4904	Simplify	cot((5pi)/4)	$\cot (\frac{5 π}{4})$
4905	Simplify	cot(-pi/2)	$\cot (- \frac{π}{2})$
4906	Simplify	cot(pi/2-x)	$\cot (\frac{π}{2} - x)$
4907	Simplify	cos(arcsin(8/x))	$\cos (\arcsin (\frac{8}{x}))$
4908	Simplify	cos(arcsin(4/5))	$\cos (\arcsin (\frac{4}{5}))$
4909	Simplify	cos(x^2)	$\cos (x^{2})$
4910	Simplify	cos(195)	$\cos (195)$
4911	Simplify	cos(20)cos(70)-sin(20)sin(70)	$\cos (20) \cos (70) - \sin (20) \sin (70)$
4912	Simplify	cos(22)*67	$\cos (22) \cdot 67$
4913	Simplify	cos(223.5x)cos(-15.5x)-sin(223.5x)sin(-15.5x)	$\cos (223.5 x) \cos (- 15.5 x) - \sin (223.5 x) \sin (- 15.5 x)$
4914	Simplify	cos(-15)	$\cos (- 15)$
4915	Simplify	cos(12)	$\cos (12)$
4916	Simplify	cos((7pi)/12)cos(pi/4)+sin((7pi)/12)sin(pi/4)	$\cos (\frac{7 π}{12}) \cos (\frac{π}{4}) + \sin (\frac{7 π}{12}) \sin (\frac{π}{4})$
4917	Simplify	cos(2/3)	$\cos (\frac{2}{3})$
4918	Simplify	cos(pi/7)	$\cos (\frac{π}{7})$
4919	Simplify	cos(a/2)	$\cos (\frac{a}{2})$
4920	Simplify	cos((7pi)/3)	$\cos (\frac{7 π}{3})$
4921	Simplify	cos(pi/12)cos(-pi/6)+sin(pi/12)sin(-pi/6)	$\cos (\frac{π}{12}) \cos (- \frac{π}{6}) + \sin (\frac{π}{12}) \sin (- \frac{π}{6})$
4922	Simplify	cos(pi/2-u)	$\cos (\frac{π}{2} - u)$
4923	Simplify	cos(-pi/2)	$\cos (- \frac{π}{2})$
4924	Simplify	cos((11pi)/4)	$\cos (\frac{11 π}{4})$
4925	Simplify	cos(1/2)	$\cos (\frac{1}{2})$
4926	Simplify	cos(x)+sin(x)	$\cos (x) + \sin (x)$
4927	Simplify	cos(x)tan(x)csc(x)	$\cos (x) \tan (x) \csc (x)$
4928	Evaluate	2/( square root of 21)	$\frac{2}{\sqrt{21}}$
4929	Find the x and y Intercepts	pi/3	$\frac{π}{3}$
4930	Find the x and y Intercepts	y^2=9x	$y^{2} = 9 x$
4931	Find the Domain	tan(arcsin(x))	$\tan (\arcsin (x))$
4932	Find the Domain	sec(x)cot(x)=csc(x)	$\sec (x) \cot (x) = \csc (x)$
4933	Find the Domain	f(x)=2cos(x)	$f (x) = 2 \cos (x)$
4934	Find the Domain	f(x)=arcsin(x)	$f (x) = \arcsin (x)$
4935	Evaluate	1/(( square root of 21)/5)	$\frac{1}{\frac{\sqrt{21}}{5}}$
4936	Split Using Partial Fraction Decomposition	(11pi)/12	$\frac{11 π}{12}$
4937	Find the Domain	y = log of x+2	$y = \log (x) + 2$
4938	Find the Domain	y=3cos(x)	$y = 3 \cos (x)$
4939	Find the Domain	y=3tan(2x)	$y = 3 \tan (2 x)$
4940	Simplify	sec(arcsin((2 square root of 6)/9))	$\sec (\arcsin (\frac{2 \sqrt{6}}{9}))$
4941	Simplify	sin((- square root of 3)/2)	$\sin (\frac{- \sqrt{3}}{2})$
4942	Evaluate	cos(270 degrees )	$\cos (270 °)$
4943	Simplify	cos(arccos(( square root of 2)/2))	$\cos (\arccos (\frac{\sqrt{2}}{2}))$
4944	Simplify	cos(arccos(-( square root of 3)/2))	$\cos (\arccos (- \frac{\sqrt{3}}{2}))$
4945	Simplify	cot(arcsin(-( square root of 6)/4))	$\cot (\arcsin (- \frac{\sqrt{6}}{4}))$
4946	Simplify	cot(arcsin(-( square root of 7)/8))	$\cot (\arcsin (- \frac{\sqrt{7}}{8}))$
4947	Simplify	cos(arctan( square root of 14))	$\cos (\arctan (\sqrt{14}))$
4948	Simplify	cos(arctan( square root of 7))	$\cos (\arctan (\sqrt{7}))$
4949	Simplify	csc(arccos(( square root of 3)/2))	$\csc (\arccos (\frac{\sqrt{3}}{2}))$
4950	Simplify	csc(( square root of 3)/2)	$\csc (\frac{\sqrt{3}}{2})$
4951	Convert from Radians to Degrees	4pi	$4 π$
4952	Simplify	arccos( square root of 3)	$\arccos (\sqrt{3})$
4953	Simplify	arccot(- square root of 5)	$arccot (- \sqrt{5})$
4954	Simplify	arccot( square root of 7)	$arccot (\sqrt{7})$
4955	Simplify	square root of ((1-cos(x))(1+cos(x)))/(cos(x)^2)	$\sqrt{\frac{(1 - \cos (x)) (1 + \cos (x))}{\cos^{2} (x)}}$
4956	Simplify	square root of (1+sin(y))/(1-sin(y))	$\sqrt{\frac{1 + \sin (y)}{1 - \sin (y)}}$
4957	Simplify	square root of (1-cos(30))/2	$\sqrt{\frac{1 - \cos (30)}{2}}$
4958	Simplify	square root of 1-cos(x)^2	$\sqrt{1 - \cos^{2} (x)}$
4959	Find the Other Trig Values in Quadrant I	cos(x)=5/13	$\cos (x) = \frac{5}{13}$
4960	Find the Other Trig Values in Quadrant I	cot(x)=( square root of 3)/3	$\cot (x) = \frac{\sqrt{3}}{3}$
4961	Find the Other Trig Values in Quadrant I	tan(theta)=8/15	$\tan (θ) = \frac{8}{15}$
4962	Find the Other Trig Values in Quadrant I	cot(x)=1/9	$\cot (x) = \frac{1}{9}$
4963	Find the Other Trig Values in Quadrant I	cot(x)=12/5	$\cot (x) = \frac{12}{5}$
4964	Find the Other Trig Values in Quadrant I	cos(a)=( square root of 11)/11	$\cos (a) = \frac{\sqrt{11}}{11}$
4965	Find the Other Trig Values in Quadrant I	sec(x)=13/12	$\sec (x) = \frac{13}{12}$
4966	Find the Other Trig Values in Quadrant I	sec(x)=4/3	$\sec (x) = \frac{4}{3}$
4967	Find the Other Trig Values in Quadrant I	cot(theta)=3	$\cot (θ) = 3$
4968	Find the Other Trig Values in Quadrant I	cos(x)=3/7	$\cos (x) = \frac{3}{7}$
4969	Find the Other Trig Values in Quadrant I	cos(x)=4/9	$\cos (x) = \frac{4}{9}$
4970	Find the Other Trig Values in Quadrant I	cos(x)=5/6	$\cos (x) = \frac{5}{6}$
4971	Find the Other Trig Values in Quadrant I	tan(x)=3/5	$\tan (x) = \frac{3}{5}$
4972	Find the Other Trig Values in Quadrant I	tan(x)=3/7	$\tan (x) = \frac{3}{7}$
4973	Find the Other Trig Values in Quadrant I	tan(x)=60/11	$\tan (x) = \frac{60}{11}$
4974	Find the Other Trig Values in Quadrant I	tan(x)=9	$\tan (x) = 9$
4975	Find the Other Trig Values in Quadrant I	tan(x)=1/3	$\tan (x) = \frac{1}{3}$
4976	Find the Other Trig Values in Quadrant II	cos(x)=-2/7	$\cos (x) = - \frac{2}{7}$
4977	Find the Other Trig Values in Quadrant I	sin(x)=60/61	$\sin (x) = \frac{60}{61}$
4978	Find the Other Trig Values in Quadrant I	sin(x)=9/41	$\sin (x) = \frac{9}{41}$
4979	Find the Other Trig Values in Quadrant I	sin(x)=( square root of 6)/5	$\sin (x) = \frac{\sqrt{6}}{5}$
4980	Find the Other Trig Values in Quadrant I	sin(x)=( square root of 2)/6	$\sin (x) = \frac{\sqrt{2}}{6}$
4981	Find the Other Trig Values in Quadrant I	sin(x)=1/7	$\sin (x) = \frac{1}{7}$
4982	Find the Other Trig Values in Quadrant I	sec(theta)=9	$\sec (θ) = 9$
4983	Find the Other Trig Values in Quadrant I	csc(theta)=4	$\csc (θ) = 4$
4984	Find the Other Trig Values in Quadrant I	csc(theta)=3	$\csc (θ) = 3$
4985	Find the Asymptotes	f(x)=tan(3x-pi/2)	$f (x) = \tan (3 x - \frac{π}{2})$
4986	Factor	1/(sin(x))-sin(x)	$\frac{1}{\sin (x)} - \sin (x)$
4987	Factor	(sin(x)+cos(x))^2	${(\sin (x) + \cos (x))}^{2}$
4988	Find the Other Trig Values in Quadrant II	sin(x)=8/9	$\sin (x) = \frac{8}{9}$
4989	Find the Other Trig Values in Quadrant II	sin(a)=12/13	$\sin (a) = \frac{12}{13}$
4990	Evaluate	sec(135 degrees )	$\sec (135 °)$
4991	Graph	y=3sin(2pix)	$y = 3 \sin (2 π x)$
4992	Find the Other Trig Values in Quadrant II	tan(theta)=-1	$\tan (θ) = - 1$
4993	Convert from Radians to Degrees	-(11pi)/12	$- \frac{11 π}{12}$
4994	Find the Other Trig Values in Quadrant III	cos(x)=-1/3	$\cos (x) = - \frac{1}{3}$
4995	Find the Other Trig Values in Quadrant II	tan(x)=-8/15	$\tan (x) = - \frac{8}{15}$
4996	Find the Other Trig Values in Quadrant II	tan(x)=-5/4	$\tan (x) = - \frac{5}{4}$
4997	Find the Other Trig Values in Quadrant III	cos(x)=-5/13	$\cos (x) = - \frac{5}{13}$
4998	Find the Other Trig Values in Quadrant IV	cos(x)=20/29	$\cos (x) = \frac{20}{29}$
4999	Evaluate	cos((5pi)/6)	$\cos (\frac{5 π}{6})$
5000	Find the Exact Value	tan(40 degrees )	$\tan (40 °)$