Mathway | 热门问题

热门问题

等级	主题	问题	格式化的问题
11601	化简	sec(u)-tan(u)	$\sec (u) - \tan (u)$
11602	化简	sec(x)cot(x)^2	$\sec (x) \cot^{2} (x)$
11603	化简	sec(x)sin(x)^2	$\sec (x) \sin^{2} (x)$
11604	化简	sec(x)(tan(x)+cot(x))	$\sec (x) (\tan (x) + \cot (x))$
11605	化简	sec(420)	$\sec (420)$
11606	化简	sec(-300)	$\sec (- 300)$
11607	化简	sec(-330)	$\sec (- 330)$
11608	化简	sec(360)	$\sec (360)$
11609	化简	sec(20pi)	$\sec (20 π)$
11610	化简	sec(-212)	$\sec (- 212)$
11611	化简	sec(-240)	$\sec (- 240)$
11612	化简	sec(230)	$\sec (230)$
11613	化简	sec(25)	$\sec (25)$
11614	化简	sec(3)	$\sec (3)$
11615	化简	sec(0)-sin(0)tan(0)	$\sec (0) - \sin (0) \tan (0)$
11616	化简	sec(1.1123)	$\sec (1.1123)$
11617	化简	sec(pi/3)+8csc(pi/6)	$\sec (\frac{π}{3}) + 8 \csc (\frac{π}{6})$
11618	化简	sec(pi/3)+2csc(pi/6)	$\sec (\frac{π}{3}) + 2 \csc (\frac{π}{6})$
11619	化简	sec(pi/4)+2csc(pi/6)	$\sec (\frac{π}{4}) + 2 \csc (\frac{π}{6})$
11620	化简	sec(pi/3)cos(pi/3)-tan(pi/6)	$\sec (\frac{π}{3}) \cos (\frac{π}{3}) - \tan (\frac{π}{6})$
11621	化简	sec(pi/6)+2cot(pi/3)	$\sec (\frac{π}{6}) + 2 \cot (\frac{π}{3})$
11622	化简	sec(arcsin(x))	$\sec (\arcsin (x))$
11623	化简	sec(arctan(v))	$\sec (\arctan (v))$
11624	化简	sec(x/2)	$\sec (\frac{x}{2})$
11625	化简	sec(x^4)-tan(x^4)	$\sec (x^{4}) - \tan (x^{4})$
11626	化简	p+4p	$p + 4 p$
11627	化简	n-pisin(15)-85*9.81cos(15)	$n - π \sin (15) - 85 \cdot 9.81 \cos (15)$
11628	化简	sec(x)(1-sin(x)^2)	$\sec (x) (1 - \sin^{2} (x))$
11629	化简	sec(x)*cot(x)	$\sec (x) \cdot \cot (x)$
11630	化简	pi+pi/2	$π + \frac{π}{2}$
11631	化简	pi-pi/3	$π - \frac{π}{3}$
11632	化简	pi-pi/4	$π - \frac{π}{4}$
11633	化简	sec((5pi)/8)	$\sec (\frac{5 π}{8})$
11634	化简	sec(-pi/2)	$\sec (- \frac{π}{2})$
11635	化简	sec(2/3)	$\sec (\frac{2}{3})$
11636	化简	sec((23pi)/6)	$\sec (\frac{23 π}{6})$
11637	化简	sec((11pi)/6)	$\sec (\frac{11 π}{6})$
11638	化简	sec(x)sin(x)cot(x)	$\sec (x) \sin (x) \cot (x)$
11639	化简	pi+pi/3	$π + \frac{π}{3}$
11640	化简	pi+pi/6	$π + \frac{π}{6}$
11641	化简	csc(x)tan(x)+sec(x)	$\csc (x) \tan (x) + \sec (x)$
11642	化简	g(pi/2)	$g (\frac{π}{2})$
11643	化简	f(x)^9*9	$f {(x)}^{9} \cdot 9$
11644	化简	cos(25)cos(15)-sin(25)sin(15)	$\cos (25) \cos (15) - \sin (25) \sin (15)$
11645	化简	cos(25)cos(20)-sin(25)sin(20)	$\cos (25) \cos (20) - \sin (25) \sin (20)$
11646	化简	cos(25.25)	$\cos (25.25)$
11647	化简	cos(25)	$\cos (25)$
11648	化简	cos(255)-cos(195)	$\cos (255) - \cos (195)$
11649	化简	cos(270+x)	$\cos (270 + x)$
11650	化简	cos(270+a)	$\cos (270 + a)$
11651	化简	cos(2x)+cos(x)	$\cos (2 x) + \cos (x)$
11652	化简	cos(2x)*cos(4x)	$\cos (2 x) \cdot \cos (4 x)$
11653	化简	cos(2x)*cos(x)	$\cos (2 x) \cdot \cos (x)$
11654	化简	cos(2x)+sin(x)^4	$\cos (2 x) + \sin^{4} (x)$
11655	化简	cos(2t+1)-cos(3t)	$\cos (2 t + 1) - \cos (3 t)$
11656	化简	cos(2x)-cos(y)	$\cos (2 x) - \cos (y)$
11657	化简	cos(2x)cos(x)+sin(2x)sin(x)	$\cos (2 x) \cos (x) + \sin (2 x) \sin (x)$
11658	化简	cos(2x)+3cos(x)-1	$\cos (2 x) + 3 \cos (x) - 1$
11659	化简	cos(2x)+cos(4x)	$\cos (2 x) + \cos (4 x)$
11660	化简	cos(240+225)	$\cos (240 + 225)$
11661	化简	cos(2x)+sin(x)	$\cos (2 x) + \sin (x)$
11662	化简	cos(2x)cos(5x)	$\cos (2 x) \cos (5 x)$
11663	化简	cos(2x)-sin(2x)	$\cos (2 x) - \sin (2 x)$
11664	化简	cos((3pi)/2+x)	$\cos (\frac{3 π}{2} + x)$
11665	化简	cos(-(3pi)/4)	$\cos (- \frac{3 π}{4})$
11666	化简	cos(30-45)	$\cos (30 - 45)$
11667	求出精确值	arccot(1)	$arccot (1)$
11668	化简	cos(-315)	$\cos (- 315)$
11669	化简	cos(-330)	$\cos (- 330)$
11670	化简	cos(320)	$\cos (320)$
11671	化简	cos(35)	$\cos (35)$
11672	化简	cos(355)	$\cos (355)$
11673	化简	cos(-390)	$\cos (- 390)$
11674	化简	cos(37)	$\cos (37)$
11675	化简	cos(34)	$\cos (34)$
11676	化简	cos(35)cos(10)-sin(35)sin(10)	$\cos (35) \cos (10) - \sin (35) \sin (10)$
11677	化简	cos(36)	$\cos (36)$
11678	化简	cos(420)	$\cos (420)$
11679	化简	cos(41)	$\cos (41)$
11680	化简	cos(3x)-cos(x)	$\cos (3 x) - \cos (x)$
11681	化简	(cos(40)x)/48	$\frac{\cos (40) x}{48}$
11682	化简	cos(40)cos(10)+sin(40)sin(10)	$\cos (40) \cos (10) + \sin (40) \sin (10)$
11683	化简	cos(4.22)	$\cos (4.22)$
11684	化简	cos(45)cos(150)-sin(45)sin(150)	$\cos (45) \cos (150) - \sin (45) \sin (150)$
11685	化简	cos(45)+cos(15)	$\cos (45) + \cos (15)$
11686	化简	cos(45-60)	$\cos (45 - 60)$
11687	求基准角	630 次数	$630 °$
11688	化简	cos(45+x)	$\cos (45 + x)$
11689	化简	cos(45+60)	$\cos (45 + 60)$
11690	化简	cos(45)-cos(30)	$\cos (45) - \cos (30)$
11691	化简	cos(45)cos(30)+sin(45)sin(30)	$\cos (45) \cos (30) + \sin (45) \sin (30)$
11692	化简	cos(48.2)	$\cos (48.2)$
11693	化简	cos(4x)*cos(2x)	$\cos (4 x) \cdot \cos (2 x)$
11694	化简	cos(4x)+2sin(x)^2	$\cos (4 x) + 2 \sin^{2} (x)$
11695	化简	cos(4pi)	$\cos (4 π)$
11696	化简	cos(48)	$\cos (48)$
11697	化简	cos(4a)	$\cos (4 a)$
11698	化简	cos(5x)+cos(3x)	$\cos (5 x) + \cos (3 x)$
11699	化简	cos(5)cos(40)-sin(5)sin(40)	$\cos (5) \cos (40) - \sin (5) \sin (40)$
11700	化简	cos(50)cos(10)-sin(50)sin(10)	$\cos (50) \cos (10) - \sin (50) \sin (10)$