Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
16701	Find the Exact Value	cos(arccos(2.8))	$\cos (\arccos (2.8))$
16702	Find the Exact Value	cos(pi/20)	$\cos (\frac{π}{20})$
16703	Find the Exact Value	cos(30/34)	$\cos (\frac{30}{34})$
16704	Find the Exact Value	cos(30^(+))	$\cos (30^{+})$
16705	Find the Exact Value	cos(3/8*pi)	$\cos (\frac{3}{8} \cdot π)$
16706	Find the Exact Value	cos(3/pi)	$\cos (\frac{3}{π})$
16707	Find the Exact Value	cos((31pi)/4)	$\cos (\frac{31 π}{4})$
16708	Find the Exact Value	cos(-(31pi)/6)	$\cos (- \frac{31 π}{6})$
16709	Find the Exact Value	cos((3pi)/18)	$\cos (\frac{3 π}{18})$
16710	Find the Exact Value	cos((3pi)/4-(11pi)/6)	$\cos (\frac{3 π}{4} - \frac{11 π}{6})$
16711	Find the Exact Value	cos((3pi)/4+pi/6)	$\cos (\frac{3 π}{4} + \frac{π}{6})$
16712	Find the Exact Value	cos(-3/7)	$\cos (- \frac{3}{7})$
16713	Find the Exact Value	cos(4/3)	$\cos (\frac{4}{3})$
16714	Find the Exact Value	cos(-4/5+5/13)	$\cos (- \frac{4}{5} + \frac{5}{13})$
16715	Find the Exact Value	cos(4/6)	$\cos (\frac{4}{6})$
16716	Find the Exact Value	cos(4/7)	$\cos (\frac{4}{7})$
16717	Find the Exact Value	cos(-4/7)	$\cos (- \frac{4}{7})$
16718	Find the Exact Value	cos((3pi)/6)	$\cos (\frac{3 π}{6})$
16719	Find the Exact Value	cos(-4/3*pi)	$\cos (- \frac{4}{3} \cdot π)$
16720	Find the Exact Value	cos(4/9)	$\cos (\frac{4}{9})$
16721	Find the Exact Value	cos(40/41+15/17)	$\cos (\frac{40}{41} + \frac{15}{17})$
16722	Find the Exact Value	cos(45/2)	$\cos (\frac{45}{2})$
16723	Find the Exact Value	cos(43/48)	$\cos (\frac{43}{48})$
16724	Find the Exact Value	cos((4pi)/12)	$\cos (\frac{4 π}{12})$
16725	Find the Exact Value	cos((5pi)/13)	$\cos (\frac{5 π}{13})$
16726	Find the Exact Value	cos((51pi)/4)	$\cos (\frac{51 π}{4})$
16727	Find the Exact Value	cos(-5/12)	$\cos (- \frac{5}{12})$
16728	Find the Exact Value	cos(-5/6)	$\cos (- \frac{5}{6})$
16729	Find the Exact Value	cos(5/9)	$\cos (\frac{5}{9})$
16730	Find the Exact Value	cos(60/2)	$\cos (\frac{60}{2})$
16731	Find the Exact Value	cos((5pi)/4-(5pi)/6)	$\cos (\frac{5 π}{4} - \frac{5 π}{6})$
16732	Find the Exact Value	cos((5pi)/4-(7pi)/6)	$\cos (\frac{5 π}{4} - \frac{7 π}{6})$
16733	Find the Exact Value	cos((5pi)/4-(11pi)/6)	$\cos (\frac{5 π}{4} - \frac{11 π}{6})$
16734	Find the Exact Value	cos(-6/10)	$\cos (- \frac{6}{10})$
16735	Find the Exact Value	cos(-(61pi)/6)	$\cos (- \frac{61 π}{6})$
16736	Find the Exact Value	cos((6pi)/4)	$\cos (\frac{6 π}{4})$
16737	Find the Exact Value	cos((6pi)/7-(4pi)/21)	$\cos (\frac{6 π}{7} - \frac{4 π}{21})$
16738	Find the Exact Value	cos(6/7)	$\cos (\frac{6}{7})$
16739	Find the Exact Value	cos(-6/7)	$\cos (- \frac{6}{7})$
16740	Find the Exact Value	cos(7/12)	$\cos (\frac{7}{12})$
16741	Find the Exact Value	cos(7/12*pi)	$\cos (\frac{7}{12} \cdot π)$
16742	Find the Exact Value	cos((20pi)/3)	$\cos (\frac{20 π}{3})$
16743	Find the Exact Value	cos(205)	$\cos (205)$
16744	Find the Exact Value	cos(215)	$\cos (215)$
16745	Find the Exact Value	cos(206)	$\cos (206)$
16746	Find the Exact Value	cos(240+225)	$\cos (240 + 225)$
16747	Find the Exact Value	cos(247.5)	$\cos (247.5)$
16748	Find the Exact Value	cos(-2475)	$\cos (- 2475)$
16749	Find the Exact Value	cos(2190)	$\cos (2190)$
16750	Find the Exact Value	cos(24pi)	$\cos (24 π)$
16751	Find the Exact Value	cos(265-25)	$\cos (265 - 25)$
16752	Find the Exact Value	cos(28)	$\cos (28)$
16753	Find the Exact Value	cos((2pi)/11)	$\cos (\frac{2 π}{11})$
16754	Find the Exact Value	cos(2.666)	$\cos (2.666)$
16755	Find the Exact Value	cos(2.9)	$\cos (2.9)$
16756	Find the Exact Value	cos(2*30)	$\cos (2 \cdot 30)$
16757	Find the Exact Value	cos(-2.5)	$\cos (- 2.5)$
16758	Find the Exact Value	cos(2.3)sec(2.3)	$\cos (2.3) \sec (2.3)$
16759	Find the Exact Value	cos(2arctan(1))	$\cos (2 \arctan (1))$
16760	Find the Exact Value	cos(-20)	$\cos (- 20)$
16761	Find the Exact Value	cos((2pi)/3-pi/6)	$\cos (\frac{2 π}{3} - \frac{π}{6})$
16762	Find the Exact Value	cos((2pi)/4-pi/6)	$\cos (\frac{2 π}{4} - \frac{π}{6})$
16763	Find the Exact Value	cos(2arcsin(12/13))	$\cos (2 \arcsin (\frac{12}{13}))$
16764	Find the Exact Value	cos(2arcsin(-2/3))	$\cos (2 \arcsin (- \frac{2}{3}))$
16765	Find the Exact Value	cos(2arcsin(x))	$\cos (2 \arcsin (x))$
16766	Find the Exact Value	cos(2arctan(12/5))	$\cos (2 \arctan (\frac{12}{5}))$
16767	Find the Exact Value	cos(2*(-4/5))	$\cos (2 \cdot (- \frac{4}{5}))$
16768	Find the Exact Value	cos(2*(5pi)/4)	$\cos (2 \cdot \frac{5 π}{4})$
16769	Find the Exact Value	cos(2*1/3)	$\cos (2 \cdot \frac{1}{3})$
16770	Find the Exact Value	cos(2(3/5))	$\cos (2 (\frac{3}{5}))$
16771	Find the Exact Value	cos(195)+cos(105)	$\cos (195) + \cos (105)$
16772	Find the Exact Value	cos(2(2pi))	$\cos (2 (2 π))$
16773	Find the Exact Value	cos(37.5)cos(7.5)	$\cos (37.5) \cos (7.5)$
16774	Find the Exact Value	cos(360)	$\cos (360)$
16775	Find the Exact Value	cos(4.1)	$\cos (4.1)$
16776	Find the Exact Value	cos(3x)	$\cos (3 x)$
16777	Find the Exact Value	cos(4)(0.4)	$\cos (4) (0.4)$
16778	Find the Exact Value	cos(-40)	$\cos (- 40)$
16779	Find the Exact Value	cos(-328)	$\cos (- 328)$
16780	Find the Exact Value	cos(33.1)	$\cos (33.1)$
16781	Find the Exact Value	cos(345)	$\cos (345)$
16782	Find the Exact Value	cos(312)	$\cos (312)$
16783	Find the Exact Value	cos(31)*14	$\cos (31) \cdot 14$
16784	Find the Exact Value	cos(30-45)	$\cos (30 - 45)$
16785	Find the Exact Value	cos(282)	$\cos (282)$
16786	Find the Exact Value	cos(30)sin(60)	$\cos (30) \sin (60)$
16787	Find the Exact Value	cos(30)*8	$\cos (30) \cdot 8$
16788	Find the Exact Value	cos(30)sin(45)	$\cos (30) \sin (45)$
16789	Find the Exact Value	cos(2arctan(-4/3))	$\cos (2 \arctan (- \frac{4}{3}))$
16790	Find the Exact Value	-cos(2pi)	$- \cos (2 π)$
16791	Find the Exact Value	cos(2arctan(8/15))	$\cos (2 \arctan (\frac{8}{15}))$
16792	Find the Exact Value	cos(2arcsin(3/4))	$\cos (2 \arcsin (\frac{3}{4}))$
16793	Find the Exact Value	cos(2arcsin(-5/13))	$\cos (2 \arcsin (- \frac{5}{13}))$
16794	Find the Exact Value	cos(295)	$\cos (295)$
16795	Find the Exact Value	cos(2arccos(4/9))	$\cos (2 \arccos (\frac{4}{9}))$
16796	Find the Exact Value	cos(2arccos(5/7))	$\cos (2 \arccos (\frac{5}{7}))$
16797	Find the Exact Value	cos(2arccos(9/41))	$\cos (2 \arccos (\frac{9}{41}))$
16798	Find the Exact Value	-cos(3)	$- \cos (3)$
16799	Find the Exact Value	cos(3)pi	$\cos (3) π$
16800	Find the Exact Value	cos(-8.75)	$\cos (- 8.75)$