Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
2301	Simplify	1/(cos(x))-cos(x)	$\frac{1}{\cos (x)} - \cos (x)$
2302	Simplify	(sin(y)^2)/(1-cos(y))	$\frac{\sin^{2} (y)}{1 - \cos (y)}$
2303	Simplify	(tan(x)^2)/(sec(x)^2)	$\frac{\tan^{2} (x)}{\sec^{2} (x)}$
2304	Simplify	(1-cos(x)^2)/(cos(x)^2)	$\frac{1 - \cos^{2} (x)}{\cos^{2} (x)}$
2305	Simplify	(1-sin(x)^2)/(sin(x)-csc(x))	$\frac{1 - \sin^{2} (x)}{\sin (x) - \csc (x)}$
2306	Simplify	(sin(x)-cos(x))^2+(sin(x)+cos(x))^2	${(\sin (x) - \cos (x))}^{2} + {(\sin (x) + \cos (x))}^{2}$
2307	Simplify	(sec(x)^2-1)/(sec(x)^2)	$\frac{\sec^{2} (x) - 1}{\sec^{2} (x)}$
2308	Simplify	(pi/3)/2	$\frac{\frac{π}{3}}{2}$
2309	Simplify	(cos(x))/(cos(x))	$\frac{\cos (x)}{\cos (x)}$
2310	Simplify	cos(pi/9)^2-sin(pi/9)^2	$\cos^{2} (\frac{π}{9}) - \sin^{2} (\frac{π}{9})$
2311	Simplify	cos(2x)^2	$\cos^{2} (2 x)$
2312	Simplify	(cos(x))/(sec(x))	$\frac{\cos (x)}{\sec (x)}$
2313	Simplify	cot(x)^2-csc(x)^2	$\cot^{2} (x) - \csc^{2} (x)$
2314	Simplify	(cot(x))/(csc(x)-sin(x))	$\frac{\cot (x)}{\csc (x) - \sin (x)}$
2315	Simplify	cos(x)^2+cos(x)^2tan(x)^2	$\cos^{2} (x) + \cos^{2} (x) \tan^{2} (x)$
2316	Simplify	arctan(x)	$\arctan (x)$
2317	Simplify	(tan(x))/(sec(-x))	$\frac{\tan (x)}{\sec (- x)}$
2318	Simplify	(sin(x)csc(x))/(cot(x))	$\frac{\sin (x) \csc (x)}{\cot (x)}$
2319	Simplify	(sin(x))/(1+cos(x))*(1-cos(x))/(1-cos(x))	$\frac{\sin (x)}{1 + \cos (x)} \cdot \frac{1 - \cos (x)}{1 - \cos (x)}$
2320	Simplify	sec(x)^2cot(x)^2	$\sec^{2} (x) \cot^{2} (x)$
2321	Simplify	pi/8	$\frac{π}{8}$
2322	Simplify	pi/12	$\frac{π}{12}$
2323	Simplify	(sin(x))/(csc(x))	$\frac{\sin (x)}{\csc (x)}$
2324	Convert from Radians to Degrees	-(7pi)/2	$- \frac{7 π}{2}$
2325	Simplify	(sec(x)+tan(x))(sec(x)-tan(x))	$(\sec (x) + \tan (x)) (\sec (x) - \tan (x))$
2326	Solve for x	y=cos(x-pi/2)	$y = \cos (x - \frac{π}{2})$
2327	Evaluate	(24/25)^2	${(\frac{24}{25})}^{2}$
2328	Evaluate	(13pi)/4	$\frac{13 π}{4}$
2329	Evaluate	(7pi)/10	$\frac{7 π}{10}$
2330	Find Angle B	tri{}{90}{}{}{}{}	 $\begin{matrix} Side & Angle \\ \begin{matrix} A C = & 12 \\ A B = \\ B C = & 9 \end{matrix} & \begin{matrix} A = & 90 \\ B = \\ C = \end{matrix} \end{matrix}$
2331	Find the Value Using the Unit Circle	tan(4/3)	$\tan (\frac{4}{3})$
2332	Find the Value Using the Unit Circle	tan(45 degrees )	$\tan (45 °)$
2333	Find the Value Using the Unit Circle	tan((2pi)/3)	$\tan (\frac{2 π}{3})$
2334	Find the Value Using the Unit Circle	sin((11pi)/6)	$\sin (\frac{11 π}{6})$
2335	Find the Value Using the Unit Circle	tan(pi/8)	$\tan (\frac{π}{8})$
2336	Find the Value Using the Unit Circle	tan((7pi)/4)	$\tan (\frac{7 π}{4})$
2337	Find the Value Using the Unit Circle	cos(pi/2)	$\cos (\frac{π}{2})$
2338	Find the Value Using the Unit Circle	cot(30 degrees )	$\cot (30 °)$
2339	Find the Value Using the Unit Circle	sin(pi/8)	$\sin (\frac{π}{8})$
2340	Find the Value Using the Unit Circle	sin(1)	$\sin (1)$
2341	Find the Value Using the Unit Circle	cot(pi)	$\cot (π)$
2342	Find the Exact Value	cos(135+30)	$\cos (135 + 30)$
2343	Find the Exact Value	cos(130)	$\cos (130)$
2344	Find the Exact Value	sin(270 degrees )	$\sin (270 °)$
2345	Find the Exact Value	tan(15 degrees )	$\tan (15 °)$
2346	Find the Exact Value	cos(0.6)	$\cos (0.6)$
2347	Find the Exact Value	sin(-(7pi)/6)	$\sin (- \frac{7 π}{6})$
2348	Find the Exact Value	cos(arccos(6/7))	$\cos (\arccos (\frac{6}{7}))$
2349	Find the Exact Value	cos((-pi)/12)	$\cos (\frac{- π}{12})$
2350	Find the Exact Value	cos(pi/16)	$\cos (\frac{π}{16})$
2351	Find the Exact Value	cos(arccos(3pi))	$\cos (\arccos (3 π))$
2352	Find the Exact Value	cos(pi/10)	$\cos (\frac{π}{10})$
2353	Find the Exact Value	cos(-4/5)	$\cos (- \frac{4}{5})$
2354	Find the Exact Value	cos(40/41)	$\cos (\frac{40}{41})$
2355	Find the Exact Value	cos((-4pi)/3)	$\cos (\frac{- 4 π}{3})$
2356	Find the Exact Value	csc(-135 degrees )	$\csc (- 135 °)$
2357	Find the Exact Value	cos(74)	$\cos (74)$
2358	Find the Exact Value	cos(72)	$\cos (72)$
2359	Find the Exact Value	cos(54)	$\cos (54)$
2360	Find the Exact Value	cos(56)	$\cos (56)$
2361	Find the Exact Value	sin(pi/4)^2	$\sin^{2} (\frac{π}{4})$
2362	Find the Exact Value	cot(pi/10)	$\cot (\frac{π}{10})$
2363	Find the Exact Value	cot(25)	$\cot (25)$
2364	Find the Exact Value	sin((5pi)/12)	$\sin (\frac{5 π}{12})$
2365	Find the Exact Value	cot(-150 degrees )	$\cot (- 150 °)$
2366	Find the Exact Value	cot((-11pi)/6)	$\cot (\frac{- 11 π}{6})$
2367	Find the Exact Value	cot((11pi)/4)	$\cot (\frac{11 π}{4})$
2368	Find the Exact Value	cot((19pi)/6)	$\cot (\frac{19 π}{6})$
2369	Find the Exact Value	cot(-(4pi)/3)	$\cot (- \frac{4 π}{3})$
2370	Find the Exact Value	cot((5pi)/2)	$\cot (\frac{5 π}{2})$
2371	Find the Exact Value	csc((8pi)/3)	$\csc (\frac{8 π}{3})$
2372	Find the Exact Value	csc(pi/8)	$\csc (\frac{π}{8})$
2373	Find the Exact Value	csc(-300)	$\csc (- 300)$
2374	Find the Exact Value	tan(5pi)	$\tan (5 π)$
2375	Find the Exact Value	csc(20)	$\csc (20)$
2376	Find the Exact Value	cot(75)	$\cot (75)$
2377	Find the Exact Value	cot(68)	$\cot (68)$
2378	Find the Exact Value	cot(630)	$\cot (630)$
2379	Find the Exact Value	csc((17pi)/6)	$\csc (\frac{17 π}{6})$
2380	Find the Exact Value	cot(-pi/2)	$\cot (- \frac{π}{2})$
2381	Find the Exact Value	sec(-2pi)	$\sec (- 2 π)$
2382	Find the Exact Value	csc(-pi/3)	$\csc (- \frac{π}{3})$
2383	Find the Exact Value	sec(7pi)	$\sec (7 π)$
2384	Find the Exact Value	sec((9pi)/4)	$\sec (\frac{9 π}{4})$
2385	Find the Exact Value	cos((13pi)/4)	$\cos (\frac{13 π}{4})$
2386	Find the Exact Value	sin(1/4*pi)	$\sin (\frac{1}{4} \cdot π)$
2387	Find the Exact Value	sin(1/5)	$\sin (\frac{1}{5})$
2388	Find the Exact Value	csc(-(5pi)/6)	$\csc (- \frac{5 π}{6})$
2389	Find the Exact Value	sec(-2)	$\sec (- 2)$
2390	Find the Exact Value	cot(390)	$\cot (390)$
2391	Find the Exact Value	csc(9)	$\csc (9)$
2392	Find the Exact Value	csc(-450)	$\csc (- 450)$
2393	Find the Exact Value	sec((13pi)/4)	$\sec (\frac{13 π}{4})$
2394	Find the Exact Value	sec((13pi)/6)	$\sec (\frac{13 π}{6})$
2395	Find the Exact Value	csc(-pi)	$\csc (- π)$
2396	Find the Exact Value	sin(21)	$\sin (21)$
2397	Find the Exact Value	sin(3pi)	$\sin (3 π)$
2398	Find the Exact Value	sin(arctan(- square root of 3))	$\sin (\arctan (- \sqrt{3}))$
2399	Find the Exact Value	cos((8pi)/3)	$\cos (\frac{8 π}{3})$
2400	Find the Exact Value	sin(14)	$\sin (14)$