Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
50601	Expand Using Sum/Difference Formulas	cos(pi/2+x)	$\cos (\frac{π}{2} + x)$
50602	Convert from Radians to Degrees	135 degrees	$135 °$
50603	Solve for θ in Radians	csc(theta)- square root of 2=0	$\csc (θ) - \sqrt{2} = 0$
50604	Convert from Degrees to Radians	330deg	$330$ degrees
50605	Find the Other Trig Values in Quadrant II	cos(theta)=-1/4	$\cos (θ) = - \frac{1}{4}$
50606	Find the Other Trig Values in Quadrant III	tan(theta)=8/15	$\tan (θ) = \frac{8}{15}$
50607	Solve for x in Degrees	2sin(x)^2+sin(x)-1=0	$2 \sin^{2} (x) + \sin (x) - 1 = 0$
50608	Verify the Identity	csc(theta)^2-cot(theta)^2=cot(theta)tan(theta)	$\csc^{2} (θ) - \cot^{2} (θ) = \cot (θ) \tan (θ)$
50609	Solve for x in Radians	4cos(x)=-sin(x)^2+4	$4 \cos (x) = - \sin^{2} (x) + 4$
50610	Expand Using Sum/Difference Formulas	sin(x-pi/2)	$\sin (x - \frac{π}{2})$
50611	Convert to Trigonometric Form	sin(theta/2)	$\sin (\frac{θ}{2})$
50612	Find the Other Trig Values in Quadrant III	sin(theta)=-15/17	$\sin (θ) = - \frac{15}{17}$
50613	Solve for θ in Degrees	tan(theta)=3	$\tan (θ) = 3$
50614	Solve for θ in Radians	square root of 3csc(theta)+2=0	$\sqrt{3} \csc (θ) + 2 = 0$
50615	Determine if the Sides Form a Right Triangle	8 , 15 , 17	$8$ , $15$ , $17$
50616	Find the Other Trig Values in Quadrant II	sin(theta)=3/8	$\sin (θ) = \frac{3}{8}$
50617	Solve for θ in Radians	sec(theta)=-2	$\sec (θ) = - 2$
50618	Solve for x in Radians	cos(2x)=1/2	$\cos (2 x) = \frac{1}{2}$
50619	Solve for θ in Degrees	sin(theta)=2/3	$\sin (θ) = \frac{2}{3}$
50620	Find the Other Trig Values in Quadrant III	sin(theta)=-2/5	$\sin (θ) = - \frac{2}{5}$
50621	Find the Cosecant Given the Point	(1,-1)	$(1, - 1)$
50622	Solve for θ in Degrees	cos(theta)=4/5	$\cos (θ) = \frac{4}{5}$
50623	Solve for θ in Degrees	cos(theta)=3/5	$\cos (θ) = \frac{3}{5}$
50624	Find the Coterminal Angle	-(8pi)/3	$- \frac{8 π}{3}$
50625	Simplify Using Half-Angle Formula	cos((5pi)/12)	$\cos (\frac{5 π}{12})$
50626	Find the Other Trig Values in Quadrant IV	sin(theta)=-( square root of 3)/2	$\sin (θ) = - \frac{\sqrt{3}}{2}$
50627	Solve for x in Radians	cot(x)=-1	$\cot (x) = - 1$
50628	Solve for x in Degrees	sin(x)=4/5	$\sin (x) = \frac{4}{5}$
50629	Solve for x in Degrees	sin(x)=1/3	$\sin (x) = \frac{1}{3}$
50630	Solve for x in Radians	-4sin(x)=-cos(x)^2+4	$- 4 \sin (x) = - \cos^{2} (x) + 4$
50631	Find the Cotangent Given the Point	(-5/13,-12/13)	$(- \frac{5}{13}, - \frac{12}{13})$
50632	Convert from Radians to Degrees	2rad	$2$ rad
50633	Convert to Trigonometric Form	1-cos(x)	$1 - \cos (x)$
50634	Solve for θ in Radians	sin(theta)+1=0	$\sin (θ) + 1 = 0$
50635	Solve for x in Radians	-4cos(x)=-sin(x)^2+4	$- 4 \cos (x) = - \sin^{2} (x) + 4$
50636	Solve for θ in Radians	cos(theta)^2+2cos(theta)+1=0	$\cos^{2} (θ) + 2 \cos (θ) + 1 = 0$
50637	Find the Other Trig Values in Quadrant IV	sec(theta)=3/2	$\sec (θ) = \frac{3}{2}$
50638	Solve for x in Degrees	sin(x)=0.6	$\sin (x) = 0.6$
50639	Find the Other Trig Values in Quadrant III	cos(theta)=-8/17	$\cos (θ) = - \frac{8}{17}$
50640	Solve for θ in Degrees	cot(theta)=0	$\cot (θ) = 0$
50641	Find the Cosine of the Angle	(4pi)/3	$\frac{4 π}{3}$
50642	Solve for x in Radians	2cos(x)- square root of 3=0	$2 \cos (x) - \sqrt{3} = 0$
50643	Solve for x in Radians	tan(x)^2-3=0	$\tan^{2} (x) - 3 = 0$
50644	Solve for x in Radians	2sin(x) = square root of 2	$2 \sin (x) = \sqrt{2}$
50645	Solve for x in Degrees	tan(x)=3/4	$\tan (x) = \frac{3}{4}$
50646	Convert from Radians to Degrees	7pi/4	$7 \frac{π}{4}$
50647	Find the Cotangent Given the Point	(4,3)	$(4, 3)$
50648	Find the Cosecant Given the Point	(-8/17,15/17)	$(- \frac{8}{17}, \frac{15}{17})$
50649	Convert from Radians to Degrees	5/2pi	$\frac{5}{2} π$
50650	Find the Cosecant Given the Point	(-3/5,4/5)	$(- \frac{3}{5}, \frac{4}{5})$
50651	Solve for θ in Radians	sec(theta)=(2 square root of 3)/3	$\sec (θ) = \frac{2 \sqrt{3}}{3}$
50652	Find the Secant Given the Point	(-8/17,15/17)	$(- \frac{8}{17}, \frac{15}{17})$
50653	Find the Coterminal Angle	-150	$- 150$
50654	Simplify Using Half-Angle Formula	cos((3pi)/8)	$\cos (\frac{3 π}{8})$
50655	Solve for x in Degrees	sin(x)cos(x)=-cos(x)	$\sin (x) \cos (x) = - \cos (x)$
50656	Find the Secant Given the Point	(-5/13,12/13)	$(- \frac{5}{13}, \frac{12}{13})$
50657	Convert from Radians to Degrees	3pirad	$3 π$ rad
50658	Convert from Radians to Degrees	arctan(1/( square root of 3))	$\arctan (\frac{1}{\sqrt{3}})$
50659	Convert from Degrees to Radians	180deg	$180$ degrees
50660	Find the Other Trig Values in Quadrant IV	cos(theta)=1/3	$\cos (θ) = \frac{1}{3}$
50661	Find the Other Trig Values in Quadrant IV	cos(theta)=3/4	$\cos (θ) = \frac{3}{4}$
50662	Convert to Trigonometric Form	cos(x)	$\cos (x)$
50663	Simplify Using Half-Angle Formula	tan(pi/12)	$\tan (\frac{π}{12})$
50664	Solve for θ in Degrees	sec(theta)=- square root of 2	$\sec (θ) = - \sqrt{2}$
50665	Solve for x in Radians	2sin(x)=1	$2 \sin (x) = 1$
50666	Find the Cotangent Given the Point	(6,8)	$(6, 8)$
50667	Find the Reference Angle	sin(240 degrees )	$\sin (240 °)$
50668	Simplify Using Half-Angle Formula	tan(105 degrees )	$\tan (105 °)$
50669	Solve for x in Radians	2cos(x)+ square root of 2=0	$2 \cos (x) + \sqrt{2} = 0$
50670	Solve for θ in Degrees	csc(theta)=- square root of 2	$\csc (θ) = - \sqrt{2}$
50671	Convert from Radians to Degrees	pirad	$π$ rad
50672	Find the Other Trig Values in Quadrant II	cot(theta)=-3	$\cot (θ) = - 3$
50673	Solve for θ in Radians	sec(theta)- square root of 2=0	$\sec (θ) - \sqrt{2} = 0$
50674	Convert from Radians to Degrees	9/10pi	$\frac{9}{10} π$
50675	Find the Other Trig Values in Quadrant III	tan(theta)=1	$\tan (θ) = 1$
50676	Find the Cotangent Given the Point	(7/25,24/25)	$(\frac{7}{25}, \frac{24}{25})$
50677	Solve for x in Degrees	sin(x)cos(x)-cos(x)=0	$\sin (x) \cos (x) - \cos (x) = 0$
50678	Convert from Radians to Degrees	3rad	$3$ radians
50679	Solve for θ in Degrees	(cot(theta)- square root of 3)( square root of 2sin(theta)+1)=0	$(\cot (θ) - \sqrt{3}) (\sqrt{2} \sin (θ) + 1) = 0$
50680	Verify the Identity	cos(90 degrees -theta)=sin(theta)	$\cos (90 ° - θ) = \sin (θ)$
50681	Find the Secant Given the Point	(1,-1)	$(1, - 1)$
50682	Solve for x in Degrees	sin(x)=-( square root of 3)/2	$\sin (x) = - \frac{\sqrt{3}}{2}$
50683	Solve for θ in Degrees	(cot(theta)-1)(2sin(theta)+1)=0	$(\cot (θ) - 1) (2 \sin (θ) + 1) = 0$
50684	Simplify Using Half-Angle Formula	sin(pi/8)	$\sin (\frac{π}{8})$
50685	Find the Other Trig Values in Quadrant II	sec(theta)=-2	$\sec (θ) = - 2$
50686	Find the Other Trig Values in Quadrant III	cos(theta)=-( square root of 3)/2	$\cos (θ) = - \frac{\sqrt{3}}{2}$
50687	Find the Secant Given the Point	(5/13,12/13)	$(\frac{5}{13}, \frac{12}{13})$
50688	Find the Other Trig Values in Quadrant II	tan(theta)=-12/5	$\tan (θ) = - \frac{12}{5}$
50689	Solve for x in Degrees	tan(x)=1/2	$\tan (x) = \frac{1}{2}$
50690	Find the Other Trig Values in Quadrant III	csc(theta)=-2	$\csc (θ) = - 2$
50691	Simplify Using Half-Angle Formula	cos(pi/8)	$\cos (\frac{π}{8})$
50692	Find the Cosecant Given the Point	(7/25,24/25)	$(\frac{7}{25}, \frac{24}{25})$
50693	Convert to Trigonometric Form	sin(x)	$\sin (x)$
50694	Convert from Degrees to Radians	arccos(( square root of 2)/2)	$\arccos (\frac{\sqrt{2}}{2})$
50695	Solve for x in Radians	cos(x)=-sin(x)^2-1	$\cos (x) = - \sin^{2} (x) - 1$
50696	Convert from Radians to Degrees	1pi	$1 π$
50697	Convert from Radians to Degrees	4rad	$4$ radians
50698	Solve for x in Radians	3tan(x)- square root of 3=0	$3 \tan (x) - \sqrt{3} = 0$
50699	Find the Cosecant Given the Point	(-7/25,-24/25)	$(- \frac{7}{25}, - \frac{24}{25})$
50700	Solve for x in Radians	cos(2x)=0	$\cos (2 x) = 0$