Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
301	Convert from Degrees to Radians	40	$40$
302	Convert from Radians to Degrees	(3pi)/5	$\frac{3 π}{5}$
303	Find the Exact Value	csc(210)	$\csc (210)$
304	Simplify	sec(x)cos(x)	$\sec (x) \cos (x)$
305	Simplify	arccot( square root of 3)	$arccot (\sqrt{3})$
306	Solve for ?	tan(x)=1	$\tan (x) = 1$
307	Solve for ?	tan(x)=-1	$\tan (x) = - 1$
308	Simplify	sin(2theta)	$\sin (2 θ)$
309	Simplify	sin(2arccos(x))	$\sin (2 \arccos (x))$
310	Simplify	2cos(theta)^2-1	$2 \cos^{2} (θ) - 1$
311	Solve for x	sin(x)=0	$\sin (x) = 0$
312	Find the Exact Value	cot((11pi)/6)	$\cot (\frac{11 π}{6})$
313	Convert from Radians to Degrees	(2pi)/5	$\frac{2 π}{5}$
314	Convert from Degrees to Radians	20	$20$
315	Convert from Degrees to Radians	105	$105$
316	Find the Exact Value	arcsin(1)	$\arcsin (1)$
317	Evaluate	(( square root of 3)/2)/(-1/2)	$\frac{\frac{\sqrt{3}}{2}}{- \frac{1}{2}}$
318	Graph	y=sin(4x)	$y = \sin (4 x)$
319	Find the Exact Value	sec(120 degrees )	$\sec (120 °)$
320	Convert from Degrees to Radians	-150	$- 150$
321	Expand Using Sum/Difference Formulas	sin(15 degrees )	$\sin (15 °)$
322	Find the Exact Value	cot(120 degrees )	$\cot (120 °)$
323	Find the Exact Value	cot((3pi)/2)	$\cot (\frac{3 π}{2})$
324	Find the Exact Value	csc(300)	$\csc (300)$
325	Find the Exact Value	sec(135 degrees )	$\sec (135 °)$
326	Simplify	sin(x)^2	$\sin^{2} (x)$
327	Simplify	(1-sin(theta))(1+sin(theta))	$(1 - \sin (θ)) (1 + \sin (θ))$
328	Simplify	(cos(theta)-sin(theta))^2	${(\cos (θ) - \sin (θ))}^{2}$
329	Simplify	arcsin( square root of 3/2)	$\arcsin (\sqrt{\frac{3}{2}})$
330	Simplify	square root of 81	$\sqrt{81}$
331	Find the Exact Value	cot(240 degrees )	$\cot (240 °)$
332	Find the Exact Value	tan(210 degrees )	$\tan (210 °)$
333	Find the Reference Angle	(10pi)/3	$\frac{10 π}{3}$
334	Find the Reference Angle	(7pi)/6	$\frac{7 π}{6}$
335	Convert from Degrees to Radians	-270	$- 270$
336	Convert from Degrees to Radians	61 degrees	$61 °$
337	Convert from Radians to Degrees	(4pi)/9	$\frac{4 π}{9}$
338	Convert from Radians to Degrees	pi/9	$\frac{π}{9}$
339	Convert from Radians to Degrees	1	$1$
340	Find the Quadrant of the Angle	(7pi)/4	$\frac{7 π}{4}$
341	Graph	y=4cos(x)	$y = 4 \cos (x)$
342	Convert from Radians to Degrees	-(3pi)/2	$- \frac{3 π}{2}$
343	Convert from Degrees to Radians	15	$15$
344	Verify the Identity	(sin(x)+cos(x))^2=1+sin(2x)	${(\sin (x) + \cos (x))}^{2} = 1 + \sin (2 x)$
345	Find the Exact Value	sin(-120 degrees )	$\sin (- 120 °)$
346	Expand the Trigonometric Expression	sin(2x)	$\sin (2 x)$
347	Find the Exact Value	cot(0)	$\cot (0)$
348	Find the Exact Value	cos(-60 degrees )	$\cos (- 60 °)$
349	Find the Exact Value	sec(330)	$\sec (330)$
350	Find the Exact Value	sec(150)	$\sec (150)$
351	Find the Exact Value	csc(0)	$\csc (0)$
352	Find the Exact Value	cos(90 degrees )	$\cos (90 °)$
353	Find the Exact Value	cot(135)	$\cot (135)$
354	Solve for ?	tan(x)=( square root of 3)/3	$\tan (x) = \frac{\sqrt{3}}{3}$
355	Solve for x	cos(2x)=1/2	$\cos (2 x) = \frac{1}{2}$
356	Simplify	sin(( square root of 3)/2)	$\sin (\frac{\sqrt{3}}{2})$
357	Solve for x	sin(x)=-1	$\sin (x) = - 1$
358	Find the Exact Value	tan((7pi)/4)	$\tan (\frac{7 π}{4})$
359	Find the Exact Value	arctan(( square root of 3)/3)	$\arctan (\frac{\sqrt{3}}{3})$
360	Find the Exact Value	tan(240 degrees )	$\tan (240 °)$
361	Find the Exact Value	sec((4pi)/3)	$\sec (\frac{4 π}{3})$
362	Find the Exact Value	sec(315 degrees )	$\sec (315 °)$
363	Convert from Degrees to Radians	72	$72$
364	Find Amplitude, Period, and Phase Shift	y=1/4*cos(3x)	$y = \frac{1}{4} \cdot \cos (3 x)$
365	Find Amplitude, Period, and Phase Shift	y=4sin(x)	$y = 4 \sin (x)$
366	Convert from Radians to Degrees	-(2pi)/3	$- \frac{2 π}{3}$
367	Convert from Radians to Degrees	4p	$4 p$
368	Graph	y=2sec(x)	$y = 2 \sec (x)$
369	Evaluate	cos(45 degrees )	$\cos (45 °)$
370	Find the Quadrant of the Angle	-(3pi)/4	$- \frac{3 π}{4}$
371	Graph	y=2tan(x)	$y = 2 \tan (x)$
372	Find Amplitude, Period, and Phase Shift	y=-2sin(x)	$y = - 2 \sin (x)$
373	Convert from Degrees to Radians	50	$50$
374	Find the Exact Value	csc((5pi)/3)	$\csc (\frac{5 π}{3})$
375	Find the Exact Value	arcsec(2)	$arcsec (2)$
376	Verify the Identity	sec(x)-cos(x)=sin(x)tan(x)	$\sec (x) - \cos (x) = \sin (x) \tan (x)$
377	Find the Exact Value	sin(-30 degrees )	$\sin (- 30 °)$
378	Find the Exact Value	tan(-pi/6)	$\tan (- \frac{π}{6})$
379	Solve for x	cos(x)^2=cos(x)	$\cos^{2} (x) = \cos (x)$
380	Solve for ?	sin(3x)=-1	$\sin (3 x) = - 1$
381	Solve for ?	cos(x)=-1/2	$\cos (x) = - \frac{1}{2}$
382	Simplify	arccot(- square root of 3)	$arccot (- \sqrt{3})$
383	Simplify	( square root of 2)/( square root of 2)	$\frac{\sqrt{2}}{\sqrt{2}}$
384	Simplify	(1-sin(x))(1+sin(x))	$(1 - \sin (x)) (1 + \sin (x))$
385	Solve for ?	cos(x)=-1	$\cos (x) = - 1$
386	Find the Exact Value	cos(225 degrees )	$\cos (225 °)$
387	Find the Exact Value	sec(225)	$\sec (225)$
388	Find the Exact Value	sec((11pi)/6)	$\sec (\frac{11 π}{6})$
389	Verify the Identity	tan(x)+cot(x)=sec(x)csc(x)	$\tan (x) + \cot (x) = \sec (x) \csc (x)$
390	Find the Exact Value	tan(300 degrees )	$\tan (300 °)$
391	Find the Exact Value	arccos(cos((4pi)/3))	$\arccos (\cos (\frac{4 π}{3}))$
392	Convert from Degrees to Radians	-60	$- 60$
393	Convert from Degrees to Radians	-135	$- 135$
394	Convert from Radians to Degrees	-(7pi)/4	$- \frac{7 π}{4}$
395	Graph	y=cos(3x)	$y = \cos (3 x)$
396	Find the Cosine Given the Point	(21,28)	$(21, 28)$
397	Convert to Trigonometric Form	3+4i	$3 + 4 i$
398	Convert from Radians to Degrees	(7pi)/12	$\frac{7 π}{12}$
399	Convert from Radians to Degrees	-pi/6	$- \frac{π}{6}$
400	Convert from Radians to Degrees	-(5pi)/6	$- \frac{5 π}{6}$