Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
18901	Find the Exact Value	arcsec(6)	$arcsec (6)$
18902	Find the Exact Value	arccsc(12/7)	$arccsc (\frac{12}{7})$
18903	Find the Exact Value	arccot(3.341)	$arccot (3.341)$
18904	Find the Exact Value	arccot(4)	$arccot (4)$
18905	Find the Exact Value	arccot(90)	$arccot (90)$
18906	Find the Exact Value	arccos(4/9)	$\arccos (\frac{4}{9})$
18907	Find the Exact Value	arccos(5/6)	$\arccos (\frac{5}{6})$
18908	Find the Exact Value	arccos(0.36)	$\arccos (0.36)$
18909	Find the Exact Value	arccos(13/14)	$\arccos (\frac{13}{14})$
18910	Find the Exact Value	arccos(1/6)	$\arccos (\frac{1}{6})$
18911	Find the Exact Value	arccos(-1/7)	$\arccos (- \frac{1}{7})$
18912	Find the Exact Value	arccos(0.875)	$\arccos (0.875)$
18913	Find the Exact Value	arccos((4.8^2+9^2)/(2(4.8)(9)))	$\arccos (\frac{{4.8}^{2} + 9^{2}}{2 (4.8) (9)})$
18914	Find the Exact Value	arccos(-2/3)	$\arccos (- \frac{2}{3})$
18915	Find the Exact Value	arccos(15/20)	$\arccos (\frac{15}{20})$
18916	Find the Exact Value	arccos((2pi)/3)	$\arccos (\frac{2 π}{3})$
18917	Find the Exact Value	arccos(-0.7)	$\arccos (- 0.7)$
18918	Find the Exact Value	arccos(0.8)	$\arccos (0.8)$
18919	Find the Exact Value	arccos(-0.8)	$\arccos (- 0.8)$
18920	Find the Exact Value	arccos(-0.853)	$\arccos (- 0.853)$
18921	Find the Exact Value	arccos(0.77)	$\arccos (0.77)$
18922	Find the Exact Value	arccos(0.931)	$\arccos (0.931)$
18923	Find the Exact Value	arccos(1.202)	$\arccos (1.202)$
18924	Find the Exact Value	arccos(-2.313)	$\arccos (- 2.313)$
18925	Find the Exact Value	arccos(0.53)	$\arccos (0.53)$
18926	Find the Exact Value	arccos(cos((15pi)/7))	$\arccos (\cos (\frac{15 π}{7}))$
18927	Find the Exact Value	arccos(1.001)	$\arccos (1.001)$
18928	Find the Exact Value	arccos(36)	$\arccos (36)$
18929	Find the Exact Value	arccos(30)	$\arccos (30)$
18930	Find the Exact Value	arcsin(0.48)	$\arcsin (0.48)$
18931	Find the Exact Value	arcsin(0.45)	$\arcsin (0.45)$
18932	Find the Exact Value	arcsin(0.47)	$\arcsin (0.47)$
18933	Find the Exact Value	arcsin(pi/2)	$\arcsin (\frac{π}{2})$
18934	Find the Exact Value	arcsin(5/40)	$\arcsin (\frac{5}{40})$
18935	Find the Exact Value	arcsin(-0.34)	$\arcsin (- 0.34)$
18936	Find the Exact Value	arcsin(0.87)	$\arcsin (0.87)$
18937	Find the Exact Value	arcsin(0.94)	$\arcsin (0.94)$
18938	Find the Exact Value	arcsin(1.732)	$\arcsin (1.732)$
18939	Find the Exact Value	arcsin(100)	$\arcsin (100)$
18940	Find the Exact Value	arcsin((1240(sin(135)))/2570.9)	$\arcsin (\frac{1240 (\sin (135))}{2570.9})$
18941	Find the Exact Value	arcsin(-1.1)	$\arcsin (- 1.1)$
18942	Find the Exact Value	arcsin(25)	$\arcsin (25)$
18943	Find the Exact Value	arcsin(16)	$\arcsin (16)$
18944	Find the Exact Value	arcsin(165)	$\arcsin (165)$
18945	Find the Exact Value	arcsin(212)	$\arcsin (212)$
18946	Find the Exact Value	arcsin(50)	$\arcsin (50)$
18947	Find the Exact Value	arcsin(8.2055)	$\arcsin (8.2055)$
18948	Find the Exact Value	arcsin(7pi)	$\arcsin (7 π)$
18949	Find the Exact Value	arcsin(97)	$\arcsin (97)$
18950	Find the Exact Value	arcsin(sin(4/5))	$\arcsin (\sin (\frac{4}{5}))$
18951	Find the Exact Value	arcsin(0.42)	$\arcsin (0.42)$
18952	Find the Exact Value	arcsin(0.3930)	$\arcsin (0.393)$
18953	Find the Exact Value	arcsin(0.62)	$\arcsin (0.62)$
18954	Find the Exact Value	arcsin(0.64)	$\arcsin (0.64)$
18955	Find the Exact Value	arcsin(-0.64)	$\arcsin (- 0.64)$
18956	Find the Exact Value	arcsin(0.8660)	$\arcsin (0.866)$
18957	Find the Exact Value	arcsin(0.81)	$\arcsin (0.81)$
18958	Find the Exact Value	arcsin(0.8958)	$\arcsin (0.8958)$
18959	Find the Exact Value	arcsin(pi/6)	$\arcsin (\frac{π}{6})$
18960	Find the Exact Value	arcsin(5/6)	$\arcsin (\frac{5}{6})$
18961	Find the Exact Value	arcsin(6/8)	$\arcsin (\frac{6}{8})$
18962	Find the Exact Value	arcsin(2/7)	$\arcsin (\frac{2}{7})$
18963	Find the Exact Value	arcsin(10/21)	$\arcsin (\frac{10}{21})$
18964	Find the Exact Value	arcsin(11/18)	$\arcsin (\frac{11}{18})$
18965	Find the Exact Value	arcsin(4/6)	$\arcsin (\frac{4}{6})$
18966	Find the Exact Value	arcsin(4/75)	$\arcsin (\frac{4}{75})$
18967	Verify the Identity	tan(x+pi)-tan(pi-x)=2tan(x)	$\tan (x + π) - \tan (π - x) = 2 \tan (x)$
18968	Verify the Identity	y=5sin(2x)y=sin(x)	$y = 5 \sin (2 x) y = \sin (x)$
18969	Verify the Identity	y=9sec(x)	$y = 9 \sec (x)$
18970	Verify the Identity	y=3cos(2x)	$y = 3 \cos (2 x)$
18971	Verify the Identity	y=2sin(1/2x)	$y = 2 \sin (\frac{1}{2} x)$
18972	Verify the Identity	tan(x)-tan(y)=(sin(x-y))/(cos(x)cos(y))	$\tan (x) - \tan (y) = \frac{\sin (x - y)}{\cos (x) \cos (y)}$
18973	Verify the Identity	tan(x-pi/4)=(tan(x-1))/(tan(x+1))	$\tan (x - \frac{π}{4}) = \frac{\tan (x - 1)}{\tan (x + 1)}$
18974	Verify the Identity	square root of 2tan(45-x)sin(45+x+y) = square root of 2cot(225+x)cos(x+y-45)	$\sqrt{2} \tan (45 - x) \sin (45 + x + y) = \sqrt{2} \cot (225 + x) \cos (x + y - 45)$
18975	Verify the Identity	tan(x)=- square root of 3	$\tan (x) = - \sqrt{3}$
18976	Verify the Identity	tan(x)=0	$\tan (x) = 0$
18977	Verify the Identity	tan(x)sec(x)sin(x)=sin(x)^2	$\tan (x) \sec (x) \sin (x) = \sin^{2} (x)$
18978	Verify the Identity	tan(x)-sin(2x)=0	$\tan (x) - \sin (2 x) = 0$
18979	Verify the Identity	tan(x)+1 = square root of 3+ square root of 3cot(x)	$\tan (x) + 1 = \sqrt{3} + \sqrt{3} \cot (x)$
18980	Verify the Identity	tan(x)+cot(x)=csc(x)*sec(x)	$\tan (x) + \cot (x) = \csc (x) \cdot \sec (x)$
18981	Verify the Identity	tan(x)=-( square root of 3)/3	$\tan (x) = - \frac{\sqrt{3}}{3}$
18982	Verify the Identity	tan(2x)=2/(cot(x)tan(x))	$\tan (2 x) = \frac{2}{\cot (x) \tan (x)}$
18983	Verify the Identity	tan(3x)=1	$\tan (3 x) = 1$
18984	Verify the Identity	tan(6x)=tan(3x)	$\tan (6 x) = \tan (3 x)$
18985	Verify the Identity	tan(a)sin(a)+cot(a)cos(a)=sec(a)	$\tan (a) \sin (a) + \cot (a) \cos (a) = \sec (a)$
18986	Verify the Identity	tan(x)(tan(x)+cot(x))=sec(x)^2	$\tan (x) (\tan (x) + \cot (x)) = \sec^{2} (x)$
18987	Verify the Identity	tan(4x)=(2tan(2x))/(2-sec(2x)^2)	$\tan (4 x) = \frac{2 \tan (2 x)}{2 - \sec^{2} (2 x)}$
18988	Verify the Identity	tan(pi-x)=-tan(x)	$\tan (π - x) = - \tan (x)$
18989	Verify the Identity	tan(t)+1/(tan(t))=1/(sin(t)cos(t))	$\tan (t) + \frac{1}{\tan (t)} = \frac{1}{\sin (t) \cos (t)}$
18990	Verify the Identity	tan(pi+B)=tan(B)	$\tan (π + B) = \tan (B)$
18991	Verify the Identity	tan(t)cot(t)=1	$\tan (t) \cot (t) = 1$
18992	Verify the Identity	tan(2x)=(2tan(x))/(1-tan(x^2))	$\tan (2 x) = \frac{2 \tan (x)}{1 - \tan (x^{2})}$
18993	Verify the Identity	tan(2x)=(2tan(x))/(1-tan(x))	$\tan (2 x) = \frac{2 \tan (x)}{1 - \tan (x)}$
18994	Verify the Identity	tan(2x)+2cos(x)=0	$\tan (2 x) + 2 \cos (x) = 0$
18995	Verify the Identity	tan(x/7)=1	$\tan (\frac{x}{7}) = 1$
18996	Verify the Identity	tan(x/2)=(1-cos(x))/(sin(x))	$\tan (\frac{x}{2}) = \frac{1 - \cos (x)}{\sin (x)}$
18997	Verify the Identity	tan(pi/4-x)=(1-tan(x))/(1+tan(x))	$\tan (\frac{π}{4} - x) = \frac{1 - \tan (x)}{1 + \tan (x)}$
18998	Verify the Identity	tan(x+pi)=tan(x)	$\tan (x + π) = \tan (x)$
18999	Verify the Identity	tan(x)-tan(x/2)=sec(x)tan(x/2)	$\tan (x) - \tan (\frac{x}{2}) = \sec (x) \tan (\frac{x}{2})$
19000	Verify the Identity	tan(x)+1/(csc(x))=(1+cos(x))/(cot(x))	$\tan (x) + \frac{1}{\csc (x)} = \frac{1 + \cos (x)}{\cot (x)}$