Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
27501	Add	sin(20)cos(80)+cos(20)sin(80)	$\sin (20) \cos (80) + \cos (20) \sin (80)$
27502	Add	sin(25)cos(5)+cos(25)sin(5)	$\sin (25) \cos (5) + \cos (25) \sin (5)$
27503	Add	sin(2x)+sin(x)	$\sin (2 x) + \sin (x)$
27504	Add	sin(30)cos(60)+sin(60)cos(30)	$\sin (30) \cos (60) + \sin (60) \cos (30)$
27505	Add	sin(310)+sin(40)+sin(130)+sin(220)	$\sin (310) + \sin (40) + \sin (130) + \sin (220)$
27506	Add	sin(33)cos(12)+cos(33)sin(12)	$\sin (33) \cos (12) + \cos (33) \sin (12)$
27507	Add	sin(35)cos(55)+cos(35)sin(55)	$\sin (35) \cos (55) + \cos (35) \sin (55)$
27508	Add	sin(40)cos(29)+cos(40)sin(29)	$\sin (40) \cos (29) + \cos (40) \sin (29)$
27509	Add	(cos(x))/(sec(x))+(sin(x))/(csc(x))	$\frac{\cos (x)}{\sec (x)} + \frac{\sin (x)}{\csc (x)}$
27510	Add	pi/7+pi/12	$\frac{π}{7} + \frac{π}{12}$
27511	Add	(sin(-54))/(cos(414))+tan(234)	$\frac{\sin (- 54)}{\cos (414)} + \tan (234)$
27512	Add	(sin(B))/(csc(B))+(cos(B))/(sec(B))	$\frac{\sin (B)}{\csc (B)} + \frac{\cos (B)}{\sec (B)}$
27513	Add	(sin(x))/(1-cos(2x))+(cos(2x))/(1+cos(2x))	$\frac{\sin (x)}{1 - \cos (2 x)} + \frac{\cos (2 x)}{1 + \cos (2 x)}$
27514	Add	-7/8+1/2	$- \frac{7}{8} + \frac{1}{2}$
27515	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(-8,0.6) , (2,-2.4)	$(- 8, 0.6)$ , $(2, - 2.4)$
27516	Add	120/(tan(60))+120/(tan(60))	$\frac{120}{\tan (60)} + \frac{120}{\tan (60)}$
27517	Add	(2pi)/3+2pik	$\frac{2 π}{3} + 2 π k$
27518	Add	cos((5pi)/6)cos((2pi)/3)+sin((5pi)/6)sin((2pi)/3)	$\cos (\frac{5 π}{6}) \cos (\frac{2 π}{3}) + \sin (\frac{5 π}{6}) \sin (\frac{2 π}{3})$
27519	Add	cos(pi/12)cos(-pi/4)+sin(pi/12)sin(-pi/4)	$\cos (\frac{π}{12}) \cos (- \frac{π}{4}) + \sin (\frac{π}{12}) \sin (- \frac{π}{4})$
27520	Add	cos(pi/12)cos(-pi/6)+sin(pi/12)sin(-pi/6)	$\cos (\frac{π}{12}) \cos (- \frac{π}{6}) + \sin (\frac{π}{12}) \sin (- \frac{π}{6})$
27521	Add	cos(10)cos(20)+cos(-80)sin(-20)	$\cos (10) \cos (20) + \cos (- 80) \sin (- 20)$
27522	Add	cos(15)cos(75)+sin(15)sin(75)	$\cos (15) \cos (75) + \sin (15) \sin (75)$
27523	Add	cos(25)cos(65)+sin(25)sin(65)	$\cos (25) \cos (65) + \sin (25) \sin (65)$
27524	Add	cos(28)cos(17)+sin(-28)cos(73)	$\cos (28) \cos (17) + \sin (- 28) \cos (73)$
27525	Add	cos(2x)+cos(8x)	$\cos (2 x) + \cos (8 x)$
27526	Add	cos(40)cos(10)+sin(40)sin(10)	$\cos (40) \cos (10) + \sin (40) \sin (10)$
27527	Add	cos(40-100)+isin(40-100)	$\cos (40 - 100) + i \sin (40 - 100)$
27528	Add	cos(51)cos(20)+sin(51)sin(20)	$\cos (51) \cos (20) + \sin (51) \sin (20)$
27529	Add	cos(60)sin(60)+sin(15)cos(15)	$\cos (60) \sin (60) + \sin (15) \cos (15)$
27530	Add	cos(61)cos(1)+sin(61)sin(1)	$\cos (61) \cos (1) + \sin (61) \sin (1)$
27531	Add	cos(65)cos(35)+sin(65)sin(35)	$\cos (65) \cos (35) + \sin (65) \sin (35)$
27532	Add	cos(7x)+cos(5x)	$\cos (7 x) + \cos (5 x)$
27533	Add	cos(8x)cos(4x)+sin(8x)sin(4x)	$\cos (8 x) \cos (4 x) + \sin (8 x) \sin (4 x)$
27534	Add	cos(80)cos(70)+sin(80)sin(70)	$\cos (80) \cos (70) + \sin (80) \sin (70)$
27535	Add	cos(A)+cos(B)	$\cos (A) + \cos (B)$
27536	Add	cot(60)*(2tan(30))+sec(45)^2	$\cot (60) \cdot (2 \tan (30)) + \sec^{2} (45)$
27537	Add	csc(x)+(1-cot(x))	$\csc (x) + (1 - \cot (x))$
27538	Add	csc(x)+sec(x)tan(x)	$\csc (x) + \sec (x) \tan (x)$
27539	Add	csc(25)+csc(100)+csc(205)+csc(280)	$\csc (25) + \csc (100) + \csc (205) + \csc (280)$
27540	Add	sin(x)cos(2x)+cos(x)sin(2x)	$\sin (x) \cos (2 x) + \cos (x) \sin (2 x)$
27541	Add	sin(7/6)cos(1/6)+cos(7/6)sin(1/6)	$\sin (\frac{7}{6}) \cos (\frac{1}{6}) + \cos (\frac{7}{6}) \sin (\frac{1}{6})$
27542	Add	sin((7pi)/15)cos((11pi)/30)+cos((7pi)/15)sin((11pi)/30)	$\sin (\frac{7 π}{15}) \cos (\frac{11 π}{30}) + \cos (\frac{7 π}{15}) \sin (\frac{11 π}{30})$
27543	Add	sin(pi/12)cos(pi/4)+cos(pi/12)sin(pi/4)	$\sin (\frac{π}{12}) \cos (\frac{π}{4}) + \cos (\frac{π}{12}) \sin (\frac{π}{4})$
27544	Add	sin(pi/3)cos((5pi)/12)+cos(pi/3)sin((5pi)/12)	$\sin (\frac{π}{3}) \cos (\frac{5 π}{12}) + \cos (\frac{π}{3}) \sin (\frac{5 π}{12})$
27545	Add	sin(120)+cos(45)+tan(135)-cos(30)	$\sin (120) + \cos (45) + \tan (135) - \cos (30)$
27546	Add	sin(122)cos(28)+cos(122)sin(28)	$\sin (122) \cos (28) + \cos (122) \sin (28)$
27547	Add	sin(15)cos(15)+cos(15)sin(105)	$\sin (15) \cos (15) + \cos (15) \sin (105)$
27548	Add	sin(15)cos(45)+cos(15)sin(45)	$\sin (15) \cos (45) + \cos (15) \sin (45)$
27549	Add	sin(16)cos(29)+cos(16)sin(29)	$\sin (16) \cos (29) + \cos (16) \sin (29)$
27550	Add	sin(18)cos(27)+cos(18)sin(27)	$\sin (18) \cos (27) + \cos (18) \sin (27)$
27551	Add	sin(18)cos(37)+cos(-18)cos(53)	$\sin (18) \cos (37) + \cos (- 18) \cos (53)$
27552	Add	pi/6+(2pi)/3	$\frac{π}{6} + \frac{2 π}{3}$
27553	Add	- square root of 2+2sin(240)	$- \sqrt{2} + 2 \sin (240)$
27554	Add	- square root of 3sin(x)+cos(x)	$- \sqrt{3} \sin (x) + \cos (x)$
27555	Add	cube root of 54+ cube root of 16	$\sqrt[3]{54} + \sqrt[3]{16}$
27556	Add	-18+ square root of 98	$- 18 + \sqrt{98}$
27557	Add	2sec(180)^2+sin(0)^2+4cos(180)	$2 \sec^{2} (180) + \sin^{2} (0) + 4 \cos (180)$
27558	Add	2cos(120)+isin(120)+4cos(35)+isin(35)	$2 \cos (120) + i \sin (120) + 4 \cos (35) + i \sin (35)$
27559	Add	-2sin(pi/4+pi/4)+1	$- 2 \sin (\frac{π}{4} + \frac{π}{4}) + 1$
27560	Add	-4+4 square root of 3i	$- 4 + 4 \sqrt{3 i}$
27561	Add	7cot(270)+5csc(90)+5cos(0)^2	$7 \cot (270) + 5 \csc (90) + 5 \cos^{2} (0)$
27562	Add	arccos(v(1-x^2))+arcsin( square root of 1-x^2)	$\arccos (v (1 - x^{2})) + \arcsin (\sqrt{1 - x^{2}})$
27563	Add	arcsin( square root of 2/2)+0.5arctan(- square root of 3)	$\arcsin (\sqrt{\frac{2}{2}}) + 0.5 \arctan (- \sqrt{3})$
27564	Add	cos((v(24))/7)cos((- square root of 45)/7)+sin(-5/1)sin(-2/7)	$\cos (\frac{v (24)}{7}) \cos (\frac{- \sqrt{45}}{7}) + \sin (- \frac{5}{1}) \sin (- \frac{2}{7})$
27565	Add	cos((13pi)/18)cos((17pi)/36)+sin((13pi)/18)sin((17pi)/36)	$\cos (\frac{13 π}{18}) \cos (\frac{17 π}{36}) + \sin (\frac{13 π}{18}) \sin (\frac{17 π}{36})$
27566	Add	cos(-3/5)cos(3/5)+cos(4/5)cos(4/5)	$\cos (- \frac{3}{5}) \cos (\frac{3}{5}) + \cos (\frac{4}{5}) \cos (\frac{4}{5})$
27567	Add	(3y)/(2y-6)+9/(6-2y)	$\frac{3 y}{2 y - 6} + \frac{9}{6 - 2 y}$
27568	Add	(3y+2)/(4y^2-8y-32)+9/(4y^2-20y+16)	$\frac{3 y + 2}{4 y^{2} - 8 y - 32} + \frac{9}{4 y^{2} - 20 y + 16}$
27569	Add	(5pi)/6+pi/6	$\frac{5 π}{6} + \frac{π}{6}$
27570	Add	-(5pi)/6+2pi	$- \frac{5 π}{6} + 2 π$
27571	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(3,5) , (8,15)	$(3, 5)$ , $(8, 15)$
27572	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(-3,-6) , (3,7)	$(- 3, - 6) (3, 7)$
27573	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(-3,7) , (2,-6)	$(- 3, 7) (2, - 6)$
27574	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(3,7) , (3,-7)	$(3, 7) (3, - 7)$
27575	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(-8,-3) , (-5,6)	$(- 8, - 3) (- 5, 6)$
27576	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(-8,4) , (12,3)	$(- 8, 4) (12, 3)$
27577	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(8,9) , (8,-5)	$(8, 9)$ , $(8, - 5)$
27578	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(83,540) , (87,604)	$(83, 540)$ , $(87, 604)$
27579	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(9,-2) , (7,4)	$(9, - 2) (7, 4)$
27580	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(-9,-6) , (-4,5)	$(- 9, - 6) (- 4, 5)$
27581	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(9,6) , (9,-8)	$(9, 6) (9, - 8)$
27582	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(-9,-7) , (-7,9)	$(- 9, - 7)$ , $(- 7, 9)$
27583	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(-9,-8) , (-8,12)	$(- 9, - 8) (- 8, 12)$
27584	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(9,-8) , (9,5)	$(9, - 8) (9, 5)$
27585	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(-9,9) , (0,-2)	$(- 9, 9) (0, - 2)$
27586	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(-9,9) , (-6,3)	$(- 9, 9) (- 6, 3)$
27587	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(7,-2) , (4,14)	$2 (7, - 2)$ , $(4, 14)$
27588	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(-1,4) , (6,0)	$p (- 1, 4)$ , $q (6, 0)$
27589	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(3,-4) , (-5,7)	$x (3, - 4)$ , $y (- 5, 7)$
27590	Add	(sin(A)+cos(A))^2+(sin(A)-cos(A))^2	${(\sin (A) + \cos (A))}^{2} + {(\sin (A) - \cos (A))}^{2}$
27591	Add	( square root of 70)/9+1/18	$\frac{\sqrt{70}}{9} + \frac{1}{18}$
27592	Add	1/(csc(x)^2)+(cos(x))/(sec(x))	$\frac{1}{\csc^{2} (x)} + \frac{\cos (x)}{\sec (x)}$
27593	Add	1/(sec(x)^2)+sin(x)cos(pi/2-x)	$\frac{1}{\sec^{2} (x)} + \sin (x) \cos (\frac{π}{2} - x)$
27594	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(-1,4) , (1,6)	$(- 1, 4) (1, 6)$
27595	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(-1,4) , (3,-2)	$(- 1, 4) (3, - 2)$
27596	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(-1,4) , (3,4)	$(- 1, 4) (3, 4)$
27597	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(-1,7) , (12,-3)	$(- 1, 7)$ , $(12, - 3)$
27598	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(1.5,5) , (4.5,-5)	$(1.5, 5) (4.5, - 5)$
27599	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(1.8,-2.0) , (3.8,-1.4)	$(1.8, - 2) (3.8, - 1.4)$
27600	Find the Slope of the Perpendicular Line to the Line Through the Two Points	(1.9,10.1) , (-1.4,1.3)	$(1.9, 10.1) (- 1.4, 1.3)$