Mathway | Problemi più comuni

Problemi più comuni

Livello	Argomento	Problema	Problema formattato
15701	Semplificare	(1-cos(x)^2)cot(x)^2	$(1 - \cos^{2} (x)) \cot^{2} (x)$
15702	Semplificare	(sec(x)^2+csc(x)^2)-(tan(x)^2+cot(x)^2)	$(\sec^{2} (x) + \csc^{2} (x)) - (\tan^{2} (x) + \cot^{2} (x))$
15703	Semplificare	(x^2+sec(y^2)^2)/(sec(y)^2)	$\frac{x^{2} + \sec^{2} (y^{2})}{\sec^{2} (y)}$
15704	Semplificare	(1/(cos(a)))(1/(sin(a)))	$(\frac{1}{\cos (a)}) (\frac{1}{\sin (a)})$
15705	Semplificare	((cos(x))/(1+sin(x)))+tan(x)	$(\frac{\cos (x)}{1 + \sin (x)}) + \tan (x)$
15706	Semplificare	(cos(x))/(1+cos(2x))*(sin(2x))/(1+cos(x))	$\frac{\cos (x)}{1 + \cos (2 x)} \cdot \frac{\sin (2 x)}{1 + \cos (x)}$
15707	Semplificare	(cos(x)^2-sin(x)^2)^2	${(\cos^{2} (x) - \sin^{2} (x))}^{2}$
15708	Semplificare	(csc(x)^2-(cot(x)^2))/(sin(-x)cot(x))	$\frac{\csc^{2} (x) - (\cot^{2} (x))}{\sin (- x) \cot (x)}$
15709	求解Z	sin(2x)=-1/2	$\sin (2 x) = - \frac{1}{2}$
15710	Trovare il Valore Esatto	arcsin((- radice quadrata di 2)/2)	$\arcsin (\frac{- \sqrt{2}}{2})$
15711	求解Z	sin(x)=-0.02	$\sin (x) = - 0.02$
15712	Trovare il Valore Esatto	cos((13pi)/12)	$\cos (\frac{13 π}{12})$
15713	Semplificare	4sin(2x)cos(2x)	$4 \sin (2 x) \cos (2 x)$
15714	Semplificare	(3x^2)/12	$\frac{3 x^{2}}{12}$
15715	Semplificare	(1/(sec(x)+1))-(1/(sec(x)-1))	$(\frac{1}{\sec (x) + 1}) - (\frac{1}{\sec (x) - 1})$
15716	Semplificare	(10+9i)(-5+6i)	$(10 + 9 i) (- 5 + 6 i)$
15717	Semplificare	(10-12i)-(12+7i)	$(10 - 12 i) - (12 + 7 i)$
15718	Semplificare	10i+3i+(5+8i)	$10 i + 3 i + (5 + 8 i)$
15719	Semplificare	(1+sin(a))(1-sin(a))	$(1 + \sin (a)) (1 - \sin (a))$
15720	Semplificare	(1+sin(b))(1-sin(b))	$(1 + \sin (b)) (1 - \sin (b))$
15721	Semplificare	(1+tan(x))(1-tan(x))+sec(x)^2	$(1 + \tan (x)) (1 - \tan (x)) + \sec^{2} (x)$
15722	Semplificare	(1+cos(x))(1-cot(x)sin(x))	$(1 + \cos (x)) (1 - \cot (x) \sin (x))$
15723	Semplificare	(1+cos(x))(1-sec(x))	$(1 + \cos (x)) (1 - \sec (x))$
15724	Semplificare	(1+cos(x))(1-sin(x))	$(1 + \cos (x)) (1 - \sin (x))$
15725	Semplificare	(1+csc(x))(1-csc(x))	$(1 + \csc (x)) (1 - \csc (x))$
15726	Semplificare	(1-sin(x)^2)(1-sec(x)^2)	$(1 - \sin^{2} (x)) (1 - \sec^{2} (x))$
15727	Semplificare	(1-sin(x)^2)(sec(x))	$(1 - \sin^{2} (x)) (\sec (x))$
15728	Semplificare	(1-(sin(x)^2))/(1-sin(x))	$\frac{1 - (\sin^{2} (x))}{1 - \sin (x)}$
15729	Semplificare	(1+tan(x)^2)(1-sin(x)^2)	$(1 + \tan^{2} (x)) (1 - \sin^{2} (x))$
15730	Semplificare	(12-5i)(3+3i)	$(12 - 5 i) (3 + 3 i)$
15731	Semplificare	11-8i	$11 - 8 i$
15732	Semplificare	(1-6i)*(1-6i)	$(1 - 6 i) \cdot (1 - 6 i)$
15733	Semplificare	1-cos(A)(1+cos(A))	$1 - \cos (A) (1 + \cos (A))$
15734	Semplificare	(1-cos(-t))(1+cos(t))	$(1 - \cos (- t)) (1 + \cos (t))$
15735	Semplificare	(-2m^2+6n^2-7n)(6m^2-7m+5n-6m^2+4n^2)	$(- 2 m^{2} + 6 n^{2} - 7 n) (6 m^{2} - 7 m + 5 n - 6 m^{2} + 4 n^{2})$
15736	Semplificare	(1+sec(x))(1-sec(x))	$(1 + \sec (x)) (1 - \sec (x))$
15737	Semplificare	(1+sin(x))-(1-sin(x))	$(1 + \sin (x)) - (1 - \sin (x))$
15738	Semplificare	(1-a)(1-a)	$(1 - a) (1 - a)$
15739	Semplificare	(1-sin(x))(1+csc(x))	$(1 - \sin (x)) (1 + \csc (x))$
15740	Semplificare	(-2+6i)(3+4i)	$(- 2 + 6 i) (3 + 4 i)$
15741	Semplificare	220*pi/180	$220 \cdot \frac{π}{180}$
15742	Semplificare	(2-2sin(x))(2+2sin(x))	$(2 - 2 \sin (x)) (2 + 2 \sin (x))$
15743	Semplificare	(2-3i)(1+2i)	$(2 - 3 i) (1 + 2 i)$
15744	Semplificare	(2-7i)(1+2i)	$(2 - 7 i) (1 + 2 i)$
15745	Semplificare	(2cos(156)(sin(150)^2))/(cos(336))	$\frac{2 \cos (156) (\sin^{2} (150))}{\cos (336)}$
15746	Semplificare	(2n-2)(6n+6)	$(2 n - 2) (6 n + 6)$
15747	Semplificare	(2cos(x)+1)(sin(x))	$(2 \cos (x) + 1) (\sin (x))$
15748	Semplificare	(2i+5)(i-2)	$(2 i + 5) (i - 2)$
15749	Semplificare	-2x-6x^4+(x-x^4+6x^3)	$- 2 x - 6 x^{4} + (x - x^{4} + 6 x^{3})$
15750	Semplificare	(3-2i)(7+6i)	$(3 - 2 i) (7 + 6 i)$
15751	求解z	z=1+i	$z = 1 + i$
15752	求解z	z=3cos((5pi)/18+sin((5pi)/18))	$z = 3 \cos (\frac{5 π}{18} + \sin (\frac{5 π}{18}))$
15753	Trovare l'Angolo di Riferimento	(26pi)/3	$\frac{26 π}{3}$
15754	Convertire da Radianti in Gradi	(5pi)/8	$\frac{5 π}{8}$
15755	Trovare il Valore Esatto	csc(arctan(( radice quadrata di 3)/3))	$\csc (\arctan (\frac{\sqrt{3}}{3}))$
15756	求解?	2cos(2x)+7sin(x)=5	$2 \cos (2 x) + 7 \sin (x) = 5$
15757	求解?	3cos(4x)=-2	$3 \cos (4 x) = - 2$
15758	Valutare	cos((10pi)/3)	$\cos (\frac{10 π}{3})$
15759	求解?	3tan(x)^3-3tan(x)^2-tan(x)+1=0	$3 \tan^{3} (x) - 3 \tan^{2} (x) - \tan (x) + 1 = 0$
15760	求解?	cos(x)=19/20	$\cos (x) = \frac{19}{20}$
15761	求解?	cos(x)=0.377	$\cos (x) = 0.377$
15762	求解?	cos(x)=4/7	$\cos (x) = \frac{4}{7}$
15763	求解?	r=6/(3+5sin(x))	$r = \frac{6}{3 + 5 \sin (x)}$
15764	求解?	f(3x)*0=30	$f (3 x) \cdot 0 = 30$
15765	求解?	sec(x)=3.253	$\sec (x) = 3.253$
15766	求解?	sin(2x) = square root of 2cos(x)	$\sin (2 x) = \sqrt{2} \cos (x)$
15767	求第I象限中的其他三角函数值	sec(theta)cot(theta)sin(theta)=1	$\sec (θ) \cot (θ) \sin (θ) = 1$
15768	求解A	sin(A)=0.4540	$\sin (A) = 0.454$
15769	求解a	r=1/2* radice quadrata di a/p	$r = \frac{1}{2} \cdot \sqrt{\frac{a}{p}}$
15770	求解a	a=12tan(47.25)	$a = 12 \tan (47.25)$
15771	求解a	a=(20(sin(38)))/(sin(79))	$a = \frac{20 (\sin (38))}{\sin (79)}$
15772	求解a	a=15tan(49)	$a = 15 \tan (49)$
15773	求解a	cos(2a)=3/5	$\cos (2 a) = \frac{3}{5}$
15774	求解a	112=135^2+a^2	$112 = 135^{2} + a^{2}$
15775	求解A	A(90)=16sin(90)(cos(90+1))	$A (90) = 16 \sin (90) (\cos (90 + 1))$
15776	求解?	tan(x)=850/320	$\tan (x) = \frac{850}{320}$
15777	求解A	2775 = square root of A/(4p)	$2775 = \sqrt{\frac{A}{4 p}}$
15778	求解?	sin(2x)=cos(2x)+1	$\sin (2 x) = \cos (2 x) + 1$
15779	求解?	sin(x)=-40/41	$\sin (x) = - \frac{40}{41}$
15780	求解?	sin(x)=0.8816	$\sin (x) = 0.8816$
15781	求解?	sin(x)=cos(50)	$\sin (x) = \cos (50)$
15782	求解?	tan(x/2)-sin(x)=0	$\tan (\frac{x}{2}) - \sin (x) = 0$
15783	求解r	r=-1^2-( radice quadrata di 3)^2	$r = - 1^{2} - {(\sqrt{3})}^{2}$
15784	求解n	-3/2n+4/3n=-1/4	$- \frac{3}{2} n + \frac{4}{3} n = - \frac{1}{4}$
15785	求解r	r(r-18)=-81	$r (r - 18) = - 81$
15786	Trovare il Valore Esatto	arctan(-0.09)	$\arctan (- 0.09)$
15787	求解k	cos(k)^2=1/2	$\cos^{2} (k) = \frac{1}{2}$
15788	求解k	-4*10^(6k-10)+5=-73	$- 4 \cdot 10^{6 k - 10} + 5 = - 73$
15789	求解m	m^2+2m-35=0	$m^{2} + 2 m - 35 = 0$
15790	求解m	a=10^(1.5m+4.8)	$a = 10^{1.5 m + 4.8}$
15791	求解n	-10=5+n	$- 10 = 5 + n$
15792	求解h	h=15/(cos(65))	$h = \frac{15}{\cos (65)}$
15793	求解h	h=-4cos(pi/6*16-(2pi)/3)+6	$h = - 4 \cos (\frac{π}{6} \cdot 16 - \frac{2 π}{3}) + 6$
15794	求解h	h=4sin(45)(37)	$h = 4 \sin (45) (37)$
15795	Valutare	csc((25pi)/2)	$\csc (\frac{25 π}{2})$
15796	求解a	tan(a)=10	$\tan (a) = 10$
15797	求解d	4.75=0.07d^(3/2)	$4.75 = 0.07 d^{\frac{3}{2}}$
15798	求解d	abcd+abc=dcba+cba	$a b c d + a b c = d c b a + c b a$
15799	求解d	d=350/(tan(51))	$d = \frac{350}{\tan (51)}$
15800	求解d	d=160m(h)	$d = 160 m (h)$