Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
8801	Find the Exact Value	cos(90-60)	$\cos (90 - 60)$
8802	Find the Exact Value	cos(90+240)	$\cos (90 + 240)$
8803	Find the Exact Value	cos(930)	$\cos (930)$
8804	Find the Exact Value	cos(892)	$\cos (892)$
8805	Find the Exact Value	cos(870)	$\cos (870)$
8806	Find the Exact Value	cos(84)	$\cos (84)$
8807	Find the Exact Value	cos(85)	$\cos (85)$
8808	Find the Exact Value	cos(-750+60)	$\cos (- 750 + 60)$
8809	Find the Exact Value	cos(76)	$\cos (76)$
8810	Find the Exact Value	cos(77)	$\cos (77)$
8811	Find the Exact Value	cos(2arcsin(1/4))	$\cos (2 \arcsin (\frac{1}{4}))$
8812	Find the Exact Value	cos(2arctan(4/3))	$\cos (2 \arctan (\frac{4}{3}))$
8813	Find the Exact Value	cos((3pi)/8)	$\cos (\frac{3 π}{8})$
8814	Find the Exact Value	cos(31)	$\cos (31)$
8815	Find the Exact Value	cos(-300)	$\cos (- 300)$
8816	Find the Exact Value	cos(30+45)	$\cos (30 + 45)$
8817	Find the Exact Value	cos(30+120)	$\cos (30 + 120)$
8818	Find the Exact Value	cos(37.5)sin(7.5)	$\cos (37.5) \sin (7.5)$
8819	Find the Exact Value	cos(-390)	$\cos (- 390)$
8820	Find the Exact Value	cos(-195)	$\cos (- 195)$
8821	Find the Exact Value	cos(2)sin(1)	$\cos (2) \sin (1)$
8822	Find the Exact Value	cos(2.2)	$\cos (2.2)$
8823	Find the Exact Value	cos(27)	$\cos (27)$
8824	Find the Exact Value	cos(250)	$\cos (250)$
8825	Find the Exact Value	cos(22)	$\cos (22)$
8826	Find the Exact Value	cos(22.89)	$\cos (22.89)$
8827	Find the Exact Value	cos(6/10)	$\cos (\frac{6}{10})$
8828	Find the Exact Value	cos(6/5)	$\cos (\frac{6}{5})$
8829	Find the Exact Value	cos(6/11)	$\cos (\frac{6}{11})$
8830	Find the Exact Value	cos(5/6*pi)	$\cos (\frac{5}{6} \cdot π)$
8831	Find the Exact Value	cos(-5/6*pi)	$\cos (- \frac{5}{6} \cdot π)$
8832	Find the Exact Value	cos(5/7)	$\cos (\frac{5}{7})$
8833	Find the Exact Value	cos(5/12)	$\cos (\frac{5}{12})$
8834	Find the Exact Value	cos((4pi)/9)	$\cos (\frac{4 π}{9})$
8835	Find the Exact Value	cos(5/3)	$\cos (\frac{5}{3})$
8836	Find the Exact Value	cos((5pi)/12-pi/6)	$\cos (\frac{5 π}{12} - \frac{π}{6})$
8837	Find the Exact Value	cos(-(5pi)/2)	$\cos (- \frac{5 π}{2})$
8838	Find the Exact Value	cos(4/5+12/13)	$\cos (\frac{4}{5} + \frac{12}{13})$
8839	Find the Exact Value	-cos((3pi)/2)	$- \cos (\frac{3 π}{2})$
8840	Find the Exact Value	cos((33pi)/4)	$\cos (\frac{33 π}{4})$
8841	Find the Exact Value	cos((3pi)/4-(7pi)/6)	$\cos (\frac{3 π}{4} - \frac{7 π}{6})$
8842	Find the Exact Value	cos((35pi)/6)	$\cos (\frac{35 π}{6})$
8843	Find the Exact Value	cos(pi/24)	$\cos (\frac{π}{24})$
8844	Find the Exact Value	cos(arccos(1.6))	$\cos (\arccos (1.6))$
8845	Find the Exact Value	cos(pi/18)	$\cos (\frac{π}{18})$
8846	Find the Exact Value	cos(pi/4)cos(pi/12)	$\cos (\frac{π}{4}) \cos (\frac{π}{12})$
8847	Find the Exact Value	cos(7/4*pi)	$\cos (\frac{7}{4} \cdot π)$
8848	Find the Exact Value	cos(7/6*pi)	$\cos (\frac{7}{6} \cdot π)$
8849	Find the Exact Value	cos(7/8)	$\cos (\frac{7}{8})$
8850	Find the Exact Value	cos((7pi)/4-pi/6)	$\cos (\frac{7 π}{4} - \frac{π}{6})$
8851	Find the Exact Value	cos(8/13)	$\cos (\frac{8}{13})$
8852	Find the Exact Value	cos(8/10)	$\cos (\frac{8}{10})$
8853	Find the Exact Value	cos(arccos(-1))	$\cos (\arccos (- 1))$
8854	Find the Exact Value	cos(arccos(1.8))	$\cos (\arccos (1.8))$
8855	Find the Exact Value	cos(arccos(2))	$\cos (\arccos (2))$
8856	Find the Exact Value	cos(arccos(7/9))	$\cos (\arccos (\frac{7}{9}))$
8857	Find the Exact Value	cos(arccos(2/5))	$\cos (\arccos (\frac{2}{5}))$
8858	Find the Exact Value	cos(arccos(2/7))	$\cos (\arccos (\frac{2}{7}))$
8859	Find the Exact Value	cos(arcsin(2/5))	$\cos (\arcsin (\frac{2}{5}))$
8860	Find the Exact Value	cos(arcsin(6/10))	$\cos (\arcsin (\frac{6}{10}))$
8861	Find the Exact Value	cos(arctan(-3))	$\cos (\arctan (- 3))$
8862	Find the Exact Value	cos(arctan(-2/7))	$\cos (\arctan (- \frac{2}{7}))$
8863	Find the Exact Value	cos(0.128)	$\cos (0.128)$
8864	Find the Exact Value	cos(0.375)	$\cos (0.375)$
8865	Find the Exact Value	cos(101)	$\cos (101)$
8866	Find the Exact Value	cos(-10)	$\cos (- 10)$
8867	Find the Exact Value	cos(1.75)	$\cos (1.75)$
8868	Find the Exact Value	cos(1.08)	$\cos (1.08)$
8869	Find the Exact Value	cos(143)	$\cos (143)$
8870	Find the Exact Value	cos(-163)	$\cos (- 163)$
8871	Find the Exact Value	cos(1650)	$\cos (1650)$
8872	Find the Exact Value	cos(1320)	$\cos (1320)$
8873	Find the Exact Value	cos(120-45)	$\cos (120 - 45)$
8874	Find the Exact Value	cos(120+45)	$\cos (120 + 45)$
8875	Find the Exact Value	cos(-120)	$\cos (- 120)$
8876	Find the Exact Value	cos(122)	$\cos (122)$
8877	Find the Exact Value	cos(1020)	$\cos (1020)$
8878	Find the Exact Value	cos(-1020)	$\cos (- 1020)$
8879	Find the Exact Value	cos(105)sin(75)	$\cos (105) \sin (75)$
8880	Find the Exact Value	cos(1050)	$\cos (1050)$
8881	Find the Exact Value	cos(-(11pi)/2)	$\cos (- \frac{11 π}{2})$
8882	Find the Exact Value	cos(106)	$\cos (106)$
8883	Find the Exact Value	cos(-115)	$\cos (- 115)$
8884	Find the Value Using the Unit Circle	cos(570)	$\cos (570)$
8885	Find the Value Using the Unit Circle	cos(-60)	$\cos (- 60)$
8886	Find the Value Using the Unit Circle	cos(67.5)	$\cos (67.5)$
8887	Find the Value Using the Unit Circle	cos(70)	$\cos (70)$
8888	Find the Value Using the Unit Circle	cos(3pi)	$\cos (3 π)$
8889	Find the Value Using the Unit Circle	cos(330)	$\cos (330)$
8890	Find the Value Using the Unit Circle	cot((-11pi)/6)	$\cot (\frac{- 11 π}{6})$
8891	Find the Value Using the Unit Circle	cot(30)	$\cot (30)$
8892	Find the Value Using the Unit Circle	cot(180)	$\cot (180)$
8893	Find the Value Using the Unit Circle	cot(60)	$\cot (60)$
8894	Find the Value Using the Unit Circle	cot(-(3pi)/4)	$\cot (- \frac{3 π}{4})$
8895	Find the Value Using the Unit Circle	cot((2pi)/3)	$\cot (\frac{2 π}{3})$
8896	Find the Value Using the Unit Circle	cot(135)	$\cot (135)$
8897	Find the Value Using the Unit Circle	cot(150)	$\cot (150)$
8898	Find the Value Using the Unit Circle	sec(240)	$\sec (240)$
8899	Find the Value Using the Unit Circle	sec(315)	$\sec (315)$
8900	Find the Value Using the Unit Circle	sec(-pi/6)	$\sec (- \frac{π}{6})$