Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
3301	Solve for ?	square root of 2cos(x)^2+cos(x)=0	$\sqrt{2} \cos^{2} (x) + \cos (x) = 0$
3302	Simplify Using Half-Angle Formula	cos(15 degrees )	$\tan^{2} (x) = \frac{3}{2} \cdot \sec (x)$
3303	Solve for ?	cot(x)=-( square root of 3)/3	$\cot (x) = - \frac{\sqrt{3}}{3}$
3304	Solve for ?	cot(x)- square root of 3=0	$\cot (x) - \sqrt{3} = 0$
3305	Solve for ?	cot(x)+1=0	$\cot (x) + 1 = 0$
3306	Solve for ?	sec(x)- square root of 2=0	$\sec (x) - \sqrt{2} = 0$
3307	Solve for ?	sin(2x)+sin(4x)=0	$\sin (2 x) + \sin (4 x) = 0$
3308	Solve for ?	sin(2x)=cos(x)	$\sin (2 x) = \cos (x)$
3309	Solve for ?	tan(x)=(2 square root of 3)/3*sin(x)	$\tan (x) = \frac{2 \sqrt{3}}{3} \cdot \sin (x)$
3310	Solve for ?	tan(x)=15/8	$\tan (x) = \frac{15}{8}$
3311	Solve for ?	tan(x)=2/3	$\tan (x) = \frac{2}{3}$
3312	Solve for ?	sin(x)+cos(x) = square root of 2	$\sin (x) + \cos (x) = \sqrt{2}$
3313	Solve for ?	sin(x)=12/13	$\sin (x) = \frac{12}{13}$
3314	Solve for ?	sin(x)=1/5	$\sin (x) = \frac{1}{5}$
3315	Solve for ?	sin(x)=5/6	$\sin (x) = \frac{5}{6}$
3316	Solve for ?	tan(x)=4/3	$\tan (x) = \frac{4}{3}$
3317	Solve for ?	tan(x)=875/350	$\tan (x) = \frac{875}{350}$
3318	Solve for ?	y=tan(2x)	$y = \tan (2 x)$
3319	Simplify	(1-cos(x))/(1+cos(x))	$\frac{1 - \cos (x)}{1 + \cos (x)}$
3320	Simplify	1/(sin(A)^2)-1/(tan(A)^2)	$\frac{1}{\sin^{2} (A)} - \frac{1}{\tan^{2} (A)}$
3321	Simplify	1/(tan(x+1)^2)	$\frac{1}{\tan^{2} (x + 1)}$
3322	Simplify	1/(csc(x))	$\frac{1}{\csc (x)}$
3323	Simplify	1/(csc(x)-1)-1/(csc(x)+1)	$\frac{1}{\csc (x) - 1} - \frac{1}{\csc (x) + 1}$
3324	Simplify	1/2v	$\frac{1}{2} v$
3325	Simplify	(1-tan(x)^4)/(1-tan(x)^2)	$\frac{1 - \tan^{4} (x)}{1 - \tan^{2} (x)}$
3326	Simplify	(1-tan(x)^2)/(1+tan(x)^2)+1	$\frac{1 - \tan^{2} (x)}{1 + \tan^{2} (x)} + 1$
3327	Simplify	(1-tan(x)^2)/(1+tan(x)^2)	$\frac{1 - \tan^{2} (x)}{1 + \tan^{2} (x)}$
3328	Simplify	(csc(x)^2)/(cot(x))	$\frac{\csc^{2} (x)}{\cot (x)}$
3329	Simplify	((2pi)/3)/2	$\frac{\frac{2 π}{3}}{2}$
3330	Simplify	(3pi)/2	$\frac{3 π}{2}$
3331	Simplify	(-7pi)/4	$\frac{- 7 π}{4}$
3332	Simplify	(cos(x))/(1+sin(x))+tan(x)	$\frac{\cos (x)}{1 + \sin (x)} + \tan (x)$
3333	Simplify	(cos(u))/(sin(u))	$\frac{\cos (u)}{\sin (u)}$
3334	Simplify	(cos(x)+sin(x))/(cos(x))-(sin(x)-cos(x))/(sin(x))	$\frac{\cos (x) + \sin (x)}{\cos (x)} - \frac{\sin (x) - \cos (x)}{\sin (x)}$
3335	Simplify	(cos(x))/(sin(x)cot(x))	$\frac{\cos (x)}{\sin (x) \cot (x)}$
3336	Simplify	(csc(x)-sin(x))/(cos(x))	$\frac{\csc (x) - \sin (x)}{\cos (x)}$
3337	Simplify	tan((3pi)/4)^2-sec((3pi)/4)^2	$\tan^{2} (\frac{3 π}{4}) - \sec^{2} (\frac{3 π}{4})$
3338	Simplify	tan(x)^2(csc(x)^2-1)	$\tan^{2} (x) (\csc^{2} (x) - 1)$
3339	Simplify	(tan(x))/(1+sec(x))+(1+sec(x))/(tan(x))	$\frac{\tan (x)}{1 + \sec (x)} + \frac{1 + \sec (x)}{\tan (x)}$
3340	Simplify	(sec(x))/(cos(x))	$\frac{\sec (x)}{\cos (x)}$
3341	Evaluate	sin(120 degrees )	$\sin (120 °)$
3342	Evaluate	cos((4pi)/3)	$\cos (\frac{4 π}{3})$
3343	Simplify	tan(theta)	$\tan (θ)$
3344	Evaluate	cos(210 degrees )	$\cos (210 °)$
3345	Convert from Radians to Degrees	(19pi)/4	$\frac{19 π}{4}$
3346	Simplify	(1-cos(x))(csc(x)+cot(x))	$(1 - \cos (x)) (\csc (x) + \cot (x))$
3347	Simplify	(2x-1)(x^2-4x+3)	$(2 x - 1) (x^{2} - 4 x + 3)$
3348	Solve for z	z=2i	$z = 2 i$
3349	Evaluate	cos(225 degrees )	$\cos (225 °)$
3350	Evaluate	pi/4+pi/8	$\frac{π}{4} + \frac{π}{8}$
3351	Evaluate	pi/6-2pi	$\frac{π}{6} - 2 π$
3352	Evaluate	(9pi)/10	$\frac{9 π}{10}$
3353	Evaluate	arcsin(0.1)	$\arcsin (0.1)$
3354	Evaluate	arcsin(sin((6pi)/7))	$\arcsin (\sin (\frac{6 π}{7}))$
3355	Evaluate	sec(60 degrees )	$\sec (60 °)$
3356	Evaluate	sin(30)^2	$\sin^{2} (30)$
3357	Evaluate	(2pi)/3-2pi	$\frac{2 π}{3} - 2 π$
3358	Evaluate	(8pi)/9	$\frac{8 π}{9}$
3359	Evaluate	(5pi)/4+pi/4	$\frac{5 π}{4} + \frac{π}{4}$
3360	Find the Value Using the Unit Circle	tan(22.5)	$\tan (22.5)$
3361	Find the Value Using the Unit Circle	tan((5pi)/6)	$\tan (\frac{5 π}{6})$
3362	Find the Value Using the Unit Circle	csc(45 degrees )	$\csc (45 °)$
3363	Find the Value Using the Unit Circle	sin(2/3)	$\sin (\frac{2}{3})$
3364	Find the Value Using the Unit Circle	sin(180)	$\sin (180)$
3365	Find the Value Using the Unit Circle	sin(-1)	$\sin (- 1)$
3366	Find the Value Using the Unit Circle	sin(-135)	$\sin (- 135)$
3367	Find the Value Using the Unit Circle	sec(120 degrees )	$\sec (120 °)$
3368	Find the Value Using the Unit Circle	sin(240)	$\sin (240)$
3369	Find the Value Using the Unit Circle	sec((2pi)/3)	$\sec (\frac{2 π}{3})$
3370	Find the Value Using the Unit Circle	cot(0)	$\cot (0)$
3371	Find the Value Using the Unit Circle	cos(pi/6)	$\cos (\frac{π}{6})$
3372	Find the Value Using the Unit Circle	cos(90)	$\cos (90)$
3373	Find the Value Using the Unit Circle	cos(360)	$\cos (360)$
3374	Find the Exact Value	cos(10pi)	$\cos (10 π)$
3375	Find the Exact Value	cos(13)	$\cos (13)$
3376	Find the Exact Value	cos(11pi)	$\cos (11 π)$
3377	Find the Exact Value	cos(19pi)	$\cos (19 π)$
3378	Find the Exact Value	cos(140)	$\cos (140)$
3379	Find the Exact Value	tan(-300 degrees )	$\tan (- 300 °)$
3380	Find the Exact Value	sin(50 degrees )	$\sin (50 °)$
3381	Find the Exact Value	cos(30 degrees )^2	$\cos^{2} (30 °)$
3382	Find the Exact Value	sec(-(9pi)/4)	$\sec (- \frac{9 π}{4})$
3383	Find the Exact Value	cos(pi/9)	$\cos (\frac{π}{9})$
3384	Find the Exact Value	cos(pi/4-(11pi)/6)	$\cos (\frac{π}{4} - \frac{11 π}{6})$
3385	Find the Exact Value	cos((3pi)/4-(5pi)/6)	$\cos (\frac{3 π}{4} - \frac{5 π}{6})$
3386	Find the Exact Value	cos((3pi)/4-pi/6)	$\cos (\frac{3 π}{4} - \frac{π}{6})$
3387	Find the Exact Value	csc((13pi)/4)	$\csc (\frac{13 π}{4})$
3388	Find the Exact Value	cos(34)	$\cos (34)$
3389	Find the Exact Value	cos(39)	$\cos (39)$
3390	Find the Exact Value	sin(32 degrees )	$\sin (32 °)$
3391	Find the Exact Value	cos(29)	$\cos (29)$
3392	Find the Exact Value	cos(82)	$\cos (82)$
3393	Find the Exact Value	cos(-7pi)	$\cos (- 7 π)$
3394	Find the Exact Value	cos(9pi)	$\cos (9 π)$
3395	Find the Exact Value	cos(-900)	$\cos (- 900)$
3396	Find the Exact Value	cos(7)	$\cos (7)$
3397	Find the Exact Value	cos(73)	$\cos (73)$
3398	Find the Exact Value	tan(105 degrees )	$\tan (105 °)$
3399	Find the Exact Value	cos(-510)	$\cos (- 510)$
3400	Find the Exact Value	cos(585)	$\cos (585)$