Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
16601	Find the Value Using the Unit Circle	cos(55)	$\cos (55)$
16602	Find the Value Using the Unit Circle	cot(150 degrees )	$\cot (150 °)$
16603	Find the Exact Value	cos(117)	$\cos (117)$
16604	Find the Exact Value	cos(1140)	$\cos (1140)$
16605	Find the Exact Value	cos(119)	$\cos (119)$
16606	Find the Exact Value	cos(112.5)cos(67.5)	$\cos (112.5) \cos (67.5)$
16607	Find the Exact Value	cos(1110)	$\cos (1110)$
16608	Find the Exact Value	cos(110)	$\cos (110)$
16609	Find the Exact Value	cos(-110)	$\cos (- 110)$
16610	Find the Exact Value	cos(105)+cos(15)	$\cos (105) + \cos (15)$
16611	Find the Exact Value	cos(105)cos(75)	$\cos (105) \cos (75)$
16612	Find the Exact Value	cos(105tan(15))	$\cos (105 \tan (15))$
16613	Find the Exact Value	cos(-1.7)	$\cos (- 1.7)$
16614	Find the Exact Value	cos(128)	$\cos (128)$
16615	Find the Exact Value	cos(123)	$\cos (123)$
16616	Find the Exact Value	cos(1230)	$\cos (1230)$
16617	Find the Exact Value	cos(-1320)	$\cos (- 1320)$
16618	Find the Exact Value	cos(1305)	$\cos (1305)$
16619	Find the Exact Value	cos(132)	$\cos (132)$
16620	Find the Exact Value	cos(-1380)	$\cos (- 1380)$
16621	Find the Exact Value	cos(-1680)	$\cos (- 1680)$
16622	Find the Exact Value	cos(175)	$\cos (175)$
16623	Find the Exact Value	cos(-1770)	$\cos (- 1770)$
16624	Find the Exact Value	cos(17.5)	$\cos (17.5)$
16625	Find the Exact Value	cos(19)	$\cos (19)$
16626	Find the Exact Value	cos(1pi)	$\cos (1 π)$
16627	Find the Exact Value	cos(180)-sin(180)	$\cos (180) - \sin (180)$
16628	Find the Exact Value	cos(180-60)	$\cos (180 - 60)$
16629	Find the Exact Value	cos(160)	$\cos (160)$
16630	Find the Exact Value	cos(152)	$\cos (152)$
16631	Find the Exact Value	cos(120-225)	$\cos (120 - 225)$
16632	Find the Exact Value	cos(-145)	$\cos (- 145)$
16633	Find the Exact Value	cos(1440)	$\cos (1440)$
16634	Find the Exact Value	cos(145)	$\cos (145)$
16635	Find the Exact Value	-cos(15)	$- \cos (15)$
16636	Find the Exact Value	cos(15)*30	$\cos (15) \cdot 30$
16637	Find the Exact Value	cos(arctan(-2/5))	$\cos (\arctan (- \frac{2}{5}))$
16638	Find the Exact Value	cos(0pi)	$\cos (0 π)$
16639	Find the Exact Value	cos(0.8)	$\cos (0.8)$
16640	Find the Exact Value	cos(0.8657)	$\cos (0.8657)$
16641	Find the Exact Value	cos(1.1)	$\cos (1.1)$
16642	Find the Exact Value	cos(1.4)	$\cos (1.4)$
16643	Find the Exact Value	cos(-100)	$\cos (- 100)$
16644	Find the Exact Value	cos(100)	$\cos (100)$
16645	Find the Exact Value	cos(0.6+pi)	$\cos (0.6 + π)$
16646	Find the Exact Value	cos(0.5)	$\cos (0.5)$
16647	Find the Exact Value	cos(arctan(3/4)+arccos(5/13))	$\cos (\arctan (\frac{3}{4}) + \arccos (\frac{5}{13}))$
16648	Find the Exact Value	cos(arctan(15/8+arctan(-3/4)))	$\cos (\arctan (\frac{15}{8} + \arctan (- \frac{3}{4})))$
16649	Find the Exact Value	cos(-(5pi)/12)	$\cos (- \frac{5 π}{12})$
16650	Find the Exact Value	cos(arctan(40/9)+arccos(8/17))	$\cos (\arctan (\frac{40}{9}) + \arccos (\frac{8}{17}))$
16651	Find the Exact Value	cos(arctan(-4/5))	$\cos (\arctan (- \frac{4}{5}))$
16652	Find the Exact Value	cos(arctan(-5/6))	$\cos (\arctan (- \frac{5}{6}))$
16653	Find the Exact Value	cos(arctan(-5/8))	$\cos (\arctan (- \frac{5}{8}))$
16654	Find the Exact Value	cos(arctan(4))	$\cos (\arctan (4))$
16655	Find the Exact Value	cos(arctan(-4))	$\cos (\arctan (- 4))$
16656	Find the Exact Value	cos(arctan(0))	$\cos (\arctan (0))$
16657	Find the Exact Value	cos(0.1219)	$\cos (0.1219)$
16658	Find the Exact Value	cos(0)tan(0)	$\cos (0) \tan (0)$
16659	Find the Exact Value	cos(arctan(8))	$\cos (\arctan (8))$
16660	Find the Exact Value	cos(arcsin(7/25))	$\cos (\arcsin (\frac{7}{25}))$
16661	Find the Exact Value	cos(arcsin(1))	$\cos (\arcsin (1))$
16662	Find the Exact Value	cos(arcsin(2))	$\cos (\arcsin (2))$
16663	Find the Exact Value	cos(arctan(1/2)+arcsin(1/2))	$\cos (\arctan (\frac{1}{2}) + \arcsin (\frac{1}{2}))$
16664	Find the Exact Value	cos(arcsin(8/10))	$\cos (\arcsin (\frac{8}{10}))$
16665	Find the Exact Value	cos(arcsin(2/x))	$\cos (\arcsin (\frac{2}{x}))$
16666	Find the Exact Value	cos(arcsin(20/29))	$\cos (\arcsin (\frac{20}{29}))$
16667	Find the Exact Value	cos(arcsin(24/25))	$\cos (\arcsin (\frac{24}{25}))$
16668	Find the Exact Value	cos(arcsin(15/17))	$\cos (\arcsin (\frac{15}{17}))$
16669	Find the Exact Value	cos(arcsin(1/3)-arctan(1/2))	$\cos (\arcsin (\frac{1}{3}) - \arctan (\frac{1}{2}))$
16670	Find the Exact Value	cos(arcsin(1/4))	$\cos (\arcsin (\frac{1}{4}))$
16671	Find the Exact Value	cos(arcsin(10/26))	$\cos (\arcsin (\frac{10}{26}))$
16672	Find the Exact Value	cos(arcsin(3/5)+arccos(5/13))	$\cos (\arcsin (\frac{3}{5}) + \arccos (\frac{5}{13}))$
16673	Find the Exact Value	cos(arcsin(3/4))	$\cos (\arcsin (\frac{3}{4}))$
16674	Find the Exact Value	cos(arcsin(12/20))	$\cos (\arcsin (\frac{12}{20}))$
16675	Find the Exact Value	cos(arccos(0.5))	$\cos (\arccos (0.5))$
16676	Find the Exact Value	cos(arccos(3/4))	$\cos (\arccos (\frac{3}{4}))$
16677	Find the Exact Value	cos(arccos(3/5))	$\cos (\arccos (\frac{3}{5}))$
16678	Find the Exact Value	cos(arccos(4/5))	$\cos (\arccos (\frac{4}{5}))$
16679	Find the Exact Value	cos(arccos(0.4))	$\cos (\arccos (0.4))$
16680	Find the Exact Value	cos(arccos(-0.5))	$\cos (\arccos (- 0.5))$
16681	Find the Exact Value	cos(arccos(5/7))	$\cos (\arccos (\frac{5}{7}))$
16682	Find the Exact Value	cos(arccos(2.2))	$\cos (\arccos (2.2))$
16683	Find the Exact Value	cos(arccos(2.4))	$\cos (\arccos (2.4))$
16684	Find the Exact Value	cos(arccos(0))	$\cos (\arccos (0))$
16685	Find the Exact Value	cos(arccos(1.4))	$\cos (\arccos (1.4))$
16686	Find the Exact Value	cos(5/11)	$\cos (\frac{5}{11})$
16687	Find the Exact Value	cos(8/3)	$\cos (\frac{8}{3})$
16688	Find the Exact Value	cos(8/9)	$\cos (\frac{8}{9})$
16689	Find the Exact Value	cos(9/41)	$\cos (\frac{9}{41})$
16690	Find the Exact Value	cos((7pi)/5)	$\cos (\frac{7 π}{5})$
16691	Find the Exact Value	cos((7pi)/4-(5pi)/6)	$\cos (\frac{7 π}{4} - \frac{5 π}{6})$
16692	Find the Exact Value	cos(7/8*pi)	$\cos (\frac{7}{8} \cdot π)$
16693	Find the Exact Value	cos(-7/6*pi)	$\cos (- \frac{7}{6} \cdot π)$
16694	Find the Exact Value	cos((7pi)/24)sin(pi/24)	$\cos (\frac{7 π}{24}) \sin (\frac{π}{24})$
16695	Find the Exact Value	cos((7pi)/12-(5pi)/12)	$\cos (\frac{7 π}{12} - \frac{5 π}{12})$
16696	Find the Exact Value	cos((7pi)/13)	$\cos (\frac{7 π}{13})$
16697	Find the Exact Value	cos(-pi/5)	$\cos (- \frac{π}{5})$
16698	Find the Exact Value	cos(-pi/4-2000pi)	$\cos (- \frac{π}{4} - 2000 π)$
16699	Find the Exact Value	cos(pi/4+cos(pi/3))	$\cos (\frac{π}{4} + \cos (\frac{π}{3}))$
16700	Find the Exact Value	cos(pi/6-pi/4)	$\cos (\frac{π}{6} - \frac{π}{4})$