Mathway | 热门问题

热门问题

等级	主题	问题	格式化的问题
9101	化简	(1-tan(x))(1+cot(x))	$(1 - \tan (x)) (1 + \cot (x))$
9102	化简	(-1-3i)+2(4+6i)	$(- 1 - 3 i) + 2 (4 + 6 i)$
9103	化简	(1-sin(x)^2)csc(x)^2	$(1 - \sin^{2} (x)) \csc^{2} (x)$
9104	化简	(1-cos(x)^2)csc(x)	$(1 - \cos^{2} (x)) \csc (x)$
9105	化简	(1+sec(x))(1-sec(-x))	$(1 + \sec (x)) (1 - \sec (- x))$
9106	化简	(1+cos(b))(1-cos(-b))	$(1 + \cos (b)) (1 - \cos (- b))$
9107	? के लिये हल कीजिये	2cos(theta)- 3=0 的平方根	$2 \cos (θ) - \sqrt{3} = 0$
9108	求出精确值	sin(( 3)/2) 的平方根	$\sin (\frac{\sqrt{3}}{2})$
9109	化简	(3i-2j)-(-7i+7j)	$(3 i - 2 j) - (- 7 i + 7 j)$
9110	化简	(5-5sin(x))(5+5sin(x))	$(5 - 5 \sin (x)) (5 + 5 \sin (x))$
9111	化简	(sin(a)-1)(sin(a)+1)	$(\sin (a) - 1) (\sin (a) + 1)$
9112	化简	(tan(x)+cot(x))tan(x)	$(\tan (x) + \cot (x)) \tan (x)$
9113	化简	(tan(x))(1-cot(x))	$(\tan (x)) (1 - \cot (x))$
9114	化简	(csc(x)+cot(x))(csc(x)-cot(x))	$(\csc (x) + \cot (x)) (\csc (x) - \cot (x))$
9115	化简	(cot(x)+tan(x))sec(x)	$(\cot (x) + \tan (x)) \sec (x)$
9116	化简	(csc(x)-tan(x))sin(x)cos(x)	$(\csc (x) - \tan (x)) \sin (x) \cos (x)$
9117	化简	(cos(x)tan(x)+1)(sin(x)-1)	$(\cos (x) \tan (x) + 1) (\sin (x) - 1)$
9118	化简	0.625(0.8cos(18-(56/30))+1.4cos(17-(64/30))-1.3025)-0.0015	$0.625 (0.8 \cos (18 - (\frac{56}{30})) + 1.4 \cos (17 - (\frac{64}{30})) - 1.3025) - 0.0015$
9119	求基准角	(19pi)/9	$\frac{19 π}{9}$
9120	x के लिये हल कीजिये	4pi+4arctan(x)=pi	$4 π + 4 \arctan (x) = π$
9121	求振幅、周期和相移	y=-5cos(6x)	$y = - 5 \cos (6 x)$
9122	x के लिये हल कीजिये	6x-12y=108	$6 x - 12 y = 108$
9123	求基准角	2pi	$2 π$
9124	计算	tan(-60 次数 )	$\tan (- 60 °)$
9125	x के लिये हल कीजिये	2cos(x)^2+3cos(x)+1=0	$2 \cos^{2} (x) + 3 \cos (x) + 1 = 0$
9126	计算	sin(120 次数 )^2+cos(120 次数 )^2	$\sin^{2} (120 °) + \cos^{2} (120 °)$
9127	x के लिये हल कीजिये	sin(2x-pi/4)=( 2)/2 的平方根	$\sin (2 x - \frac{π}{4}) = \frac{\sqrt{2}}{2}$
9128	计算	csc(300 次数 )	$\csc (300 °)$
9129	x के लिये हल कीजिये	sin(2x)+cos(2x)=1	$\sin (2 x) + \cos (2 x) = 1$
9130	化简	cos(2theta)	$\cos (2 θ)$
9131	x के लिये हल कीजिये	t=50-15cos((xpi)/6)	$t = 50 - 15 \cos (\frac{x π}{6})$
9132	x के लिये हल कीजिये	tan(x/2)giventan(x)=-( 7)/3 的平方根	$\tan (\frac{x}{2})$ giventan $(x) = - \frac{\sqrt{7}}{3}$
9133	y के लिये हल कीजिये	y=2^6	$y = 2^{6}$
9134	y के लिये हल कीजिये	sec(y)cos(y)=1	$\sec (y) \cos (y) = 1$
9135	y के लिये हल कीजिये	y=tan(arcsec(2))	$y = \tan (arcsec (2))$
9136	求基准角	99 次数	$99 °$
9137	Z के लिये हल कीजिये	sin(4x)^2-1=0	$\sin^{2} (4 x) - 1 = 0$
9138	绘制图像	y=sin(1/2x)+2	$y = \sin (\frac{1}{2} x) + 2$
9139	绘制图像	theta=(4pi)/3	$θ = \frac{4 π}{3}$
9140	化简	(sin(x))/(cos(x))*(cos(x))/(sin(x))	$\frac{\sin (x)}{\cos (x)} \cdot \frac{\cos (x)}{\sin (x)}$
9141	化简	(sin(x))/(csc(x)+1)	$\frac{\sin (x)}{\csc (x) + 1}$
9142	化简	(sin(x)-cos(x)+1)/(sin(x)+cos(x)-1)	$\frac{\sin (x) - \cos (x) + 1}{\sin (x) + \cos (x) - 1}$
9143	化简	(sin(x+y))/(sin(x)cos(y))	$\frac{\sin (x + y)}{\sin (x) \cos (y)}$
9144	化简	(sin(x)sec(x))/(csc(x))	$\frac{\sin (x) \sec (x)}{\csc (x)}$
9145	化简	(sin(x-y))/(cos(x)cos(y))	$\frac{\sin (x - y)}{\cos (x) \cos (y)}$
9146	化简	(sin(a))/(cos(a))	$\frac{\sin (a)}{\cos (a)}$
9147	化简	(sin(a))/(csc(a))+(cos(a))/(sec(a))	$\frac{\sin (a)}{\csc (a)} + \frac{\cos (a)}{\sec (a)}$
9148	化简	(sin(8x))/(8sin(x))-cos(x)cos(2x)cos(4x)	$\frac{\sin (8 x)}{8 \sin (x)} - \cos (x) \cos (2 x) \cos (4 x)$
9149	化简	sin(30)^2+cos(45)^2	$\sin^{2} (30) + \cos^{2} (45)$
9150	化简	sin(50)^2+cos(50)^2	$\sin^{2} (50) + \cos^{2} (50)$
9151	化简	sin(225)^2-cos(300)^2	$\sin^{2} (225) - \cos^{2} (300)$
9152	化简	sin(30)^2+cos(60)^2	$\sin^{2} (30) + \cos^{2} (60)$
9153	化简	sin(x)^2(1-csc(x)^2)	$\sin^{2} (x) (1 - \csc^{2} (x))$
9154	化简	sin(x)^2sec(x)csc(x)	$\sin^{2} (x) \sec (x) \csc (x)$
9155	化简	sin(pi/13)^2+cos(pi/13)^2	$\sin^{2} (\frac{π}{13}) + \cos^{2} (\frac{π}{13})$
9156	化简	sin(pi/3)^2+cos(pi/3)^2	$\sin^{2} (\frac{π}{3}) + \cos^{2} (\frac{π}{3})$
9157	化简	arcsin(sin(x))	$\arcsin (\sin (x))$
9158	化简	(-pi)/2	$\frac{- π}{2}$
9159	化简	pi/18	$\frac{π}{18}$
9160	化简	pi/(1/2)	$\frac{π}{\frac{1}{2}}$
9161	化简	pi/4+pi	$\frac{π}{4} + π$
9162	化简	pi/30	$\frac{π}{30}$
9163	化简	-pi/3	$- \frac{π}{3}$
9164	化简	pi/2-pi/5	$\frac{π}{2} - \frac{π}{5}$
9165	化简	(sec(x))/(tan(x)^2)	$\frac{\sec (x)}{\tan^{2} (x)}$
9166	化简	(sec(x)+csc(x))/(tan(x)+cot(x))	$\frac{\sec (x) + \csc (x)}{\tan (x) + \cot (x)}$
9167	化简	(sec(x)+1)/(tan(x)+sin(x))	$\frac{\sec (x) + 1}{\tan (x) + \sin (x)}$
9168	化简	(sec(x))/(tan(x)+cot(x))	$\frac{\sec (x)}{\tan (x) + \cot (x)}$
9169	化简	(sec(x))/(sin(x))+(csc(x))/(cos(x))	$\frac{\sec (x)}{\sin (x)} + \frac{\csc (x)}{\cos (x)}$
9170	化简	(sec(x))/(csc(x)tan(x))	$\frac{\sec (x)}{\csc (x) \tan (x)}$
9171	化简	pi/7	$\frac{π}{7}$
9172	化简	(sin(x)-csc(x))/(cos(x))	$\frac{\sin (x) - \csc (x)}{\cos (x)}$
9173	化简	(sin(x)cos(x))/((cos(x)+sin(x))(cos(x)+sin(x))-1)	$\frac{\sin (x) \cos (x)}{(\cos (x) + \sin (x)) (\cos (x) + \sin (x)) - 1}$
9174	化简	sec(x/2)^2	$\sec^{2} (\frac{x}{2})$
9175	化简	6x^4*(4 的平方根 10x) 的平方根	$\sqrt{6 x^{4}} \cdot (4 \sqrt{10 x})$
9176	化简	6a^4b^2+ 的立方根 162a^4b^2 的立方根	$\sqrt[3]{6 a^{4} b^{2}} + \sqrt[3]{162 a^{4} b^{2}}$
9177	化简	tan(x)^3+8	$\tan^{3} (x) + 8$
9178	化简	3- 的 5 次方根 98+ 的平方根 48+ 的平方根 2 的 6 次方根	$\sqrt[5]{3} - \sqrt{98} + \sqrt{48} + \sqrt[6]{2}$
9179	化简	(tan(x)+cot(x))/(sec(x))	$\frac{\tan (x) + \cot (x)}{\sec (x)}$
9180	化简	(tan(x))/(1-cos(x)^2)	$\frac{\tan (x)}{1 - \cos^{2} (x)}$
9181	化简	(tan(t)+1)/(sec(t))	$\frac{\tan (t) + 1}{\sec (t)}$
9182	化简	(tan(pi/2-x))/(csc(x))	$\frac{\tan (\frac{π}{2} - x)}{\csc (x)}$
9183	化简	(tan(112.5))/(1-tan(112.5)^2)	$\frac{\tan (112.5)}{1 - \tan^{2} (112.5)}$
9184	化简	sin(x)^2cos(x)	$\sin^{2} (x) \cos (x)$
9185	化简	(tan(x)cot(x))/(csc(x))	$\frac{\tan (x) \cot (x)}{\csc (x)}$
9186	化简	(tan(y))/(csc(y))	$\frac{\tan (y)}{\csc (y)}$
9187	化简	(tan(x)+tan(y))/(cot(x)+cot(y))	$\frac{\tan (x) + \tan (y)}{\cot (x) + \cot (y)}$
9188	化简	arctan(2)	$\arctan (2)$
9189	化简	arctan(tan(pi/4))	$\arctan (\tan (\frac{π}{4}))$
9190	化简	tan(x)^2csc(x)^2	$\tan^{2} (x) \csc^{2} (x)$
9191	化简	(f(x+h)-f(x))/h	$\frac{f (x + h) - f (x)}{h}$
9192	化简	i/(3-2i)-(2i)/(3+8i)	$\frac{i}{3 - 2 i} - \frac{2 i}{3 + 8 i}$
9193	化简	(csc(x)-cot(x))/(sec(x)-1)	$\frac{\csc (x) - \cot (x)}{\sec (x) - 1}$
9194	化简	(csc(x)sec(x))/(cot(x))	$\frac{\csc (x) \sec (x)}{\cot (x)}$
9195	化简	(csc(x))/(tan(x))	$\frac{\csc (x)}{\tan (x)}$
9196	化简	csc(x)^2-(cot(x))/(tan(x))	$\csc^{2} (x) - \frac{\cot (x)}{\tan (x)}$
9197	化简	csc(x)^2(1-cos(x)^2)	$\csc^{2} (x) (1 - \cos^{2} (x))$
9198	化简	cos(3x)^2+sin(3x)^2	$\cos^{2} (3 x) + \sin^{2} (3 x)$
9199	化简	cos(4x)^2+sin(4x)^2	$\cos^{2} (4 x) + \sin^{2} (4 x)$
9200	化简	cos(x)^2-cos(2x)	$\cos^{2} (x) - \cos (2 x)$