Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
50701	Simplify Using Half-Angle Formula	cos(pi/12)	$\cos (\frac{π}{12})$
50702	Solve for x in Radians	sec(x)+1=0	$\sec (x) + 1 = 0$
50703	Verify the Identity	1/(cos(x))-(cos(x))/(1+sin(x))=tan(x)	$\frac{1}{\cos (x)} - \frac{\cos (x)}{1 + \sin (x)} = \tan (x)$
50704	Solve for x in Radians	sin(x)=-cos(x)^2-1	$\sin (x) = - \cos^{2} (x) - 1$
50705	Solve for x in Radians	sec(x)=2	$\sec (x) = 2$
50706	Find the Reference Angle	11/5pi	$\frac{11}{5} π$
50707	Simplify Using Half-Angle Formula	sin((3pi)/8)	$\sin (\frac{3 π}{8})$
50708	Solve for x in Radians	sin(2x)=0	$\sin (2 x) = 0$
50709	Convert from Radians to Degrees	1rad	$1$ rad
50710	Solve for x in Degrees	sin(x)=( square root of 2)/2	$\sin (x) = \frac{\sqrt{2}}{2}$
50711	Find the Cosecant Given the Point	(-5/13,-12/13)	$(- \frac{5}{13}, - \frac{12}{13})$
50712	Find the Other Trig Values in Quadrant II	tan(theta)=-8/15	$\tan (θ) = - \frac{8}{15}$
50713	Convert to Rectangular Coordinates	(3,210 degrees )	$(3, 210 °)$
50714	Solve for θ in Radians	4sin(theta)^2-3=0	$4 \sin^{2} (θ) - 3 = 0$
50715	Convert from Degrees to Radians	arccos(( square root of 3)/2)	$\arccos (\frac{\sqrt{3}}{2})$
50716	Determine if the Sides Form a Right Triangle	9 , 12 , 15	$9$ , $12$ , $15$
50717	Solve for x in Radians	2sin(x)- square root of 2=0	$2 \sin (x) - \sqrt{2} = 0$
50718	Solve for θ in Radians	sin(theta)-1=0	$\sin (θ) - 1 = 0$
50719	Expand Using Sum/Difference Formulas	sin(a-b)	$\sin (a - b)$
50720	Solve for x in Radians	cos(x)^2+2cos(x)+1=0	$\cos^{2} (x) + 2 \cos (x) + 1 = 0$
50721	Simplify Using Half-Angle Formula	tan(75 degrees )	$\tan (75 °)$
50722	Find the Other Trig Values in Quadrant IV	sin(theta)=-5/6	$\sin (θ) = - \frac{5}{6}$
50723	Solve for θ in Radians	2cos(theta)^2-1=0	$2 \cos^{2} (θ) - 1 = 0$
50724	Verify the Identity	sec(x)(1-sin(x)^2)=cos(x)	$\sec (x) (1 - \sin^{2} (x)) = \cos (x)$
50725	Solve for x in Radians	tan(x)+1=0	$\tan (x) + 1 = 0$
50726	Find the Coterminal Angle	-40 degrees	$- 40 °$
50727	Convert to Trigonometric Form	1-cos(x)^2	$1 - \cos^{2} (x)$
50728	Convert from Radians to Degrees	(3pi)/4rad	$\frac{3 π}{4}$ radians
50729	Find the Reference Angle	12/5pi	$\frac{12}{5} π$
50730	Simplify Using Half-Angle Formula	tan((5pi)/12)	$\tan (\frac{5 π}{12})$
50731	Convert to Trigonometric Form	csc(x)	$\csc (x)$
50732	Solve for a in Degrees	tan(a)=1/3	$\tan (a) = \frac{1}{3}$
50733	Convert to Rectangular Coordinates	(2 square root of 3,(7pi)/6)	$(2 \sqrt{3}, \frac{7 π}{6})$
50734	Find the Other Trig Values in Quadrant II	cos(theta)=-(2 square root of 5)/5	$\cos (θ) = - \frac{2 \sqrt{5}}{5}$
50735	Find the Reference Angle	cos(120 degrees )	$\cos (120 °)$
50736	Find the Cosine of the Angle	(5pi)/6	$\frac{5 π}{6}$
50737	Solve for x in Radians	2cos(x)^2-cos(x)-1=0	$2 \cos^{2} (x) - \cos (x) - 1 = 0$
50738	Solve for x in Radians	2sin(x)^2-3sin(x)+1=0	$2 \sin^{2} (x) - 3 \sin (x) + 1 = 0$
50739	Solve for θ in Degrees	cos(theta)^2+2cos(theta)+1=0	$\cos^{2} (θ) + 2 \cos (θ) + 1 = 0$
50740	Solve for θ in Degrees	4sin(theta)^2-1=0	$4 \sin^{2} (θ) - 1 = 0$
50741	Expand Using Sum/Difference Formulas	sin(x+y)	$\sin (x + y)$
50742	Convert from Radians to Degrees	7/8pi	$\frac{7}{8} π$
50743	Find the Coterminal Angle	900	$900$
50744	Solve for x in Radians	sin(x)^2+sin(x)=0	$\sin^{2} (x) + \sin (x) = 0$
50745	Verify the Identity	(csc(x)^2-1)sin(x)^2=cos(x)^2	$(\csc^{2} (x) - 1) \sin^{2} (x) = \cos^{2} (x)$
50746	Solve for x in Radians	2cos(x)=1	$2 \cos (x) = 1$
50747	Solve for x in Radians	cot(x)=1	$\cot (x) = 1$
50748	Find the Secant Given the Point	(6,8)	$(6, 8)$
50749	Solve for θ in Degrees	sin(theta)=1/4	$\sin (θ) = \frac{1}{4}$
50750	Solve for x in Degrees	cos(x)=-( square root of 2)/2	$\cos (x) = - \frac{\sqrt{2}}{2}$
50751	Convert to Trigonometric Form	sin(x)+cos(x)	$\sin (x) + \cos (x)$
50752	Convert to Trigonometric Form	sin(x)^2+cos(x)^2	$\sin^{2} (x) + \cos^{2} (x)$
50753	Solve for θ in Degrees	2sin(theta)- square root of 3=0	$2 \sin (θ) - \sqrt{3} = 0$
50754	Solve for θ in Radians	csc(theta)=-2	$\csc (θ) = - 2$
50755	Solve for x in Radians	csc(x)+2=0	$\csc (x) + 2 = 0$
50756	Find the Other Trig Values in Quadrant IV	tan(theta)=-( square root of 3)/3	$\tan (θ) = - \frac{\sqrt{3}}{3}$
50757	Find the Cotangent Given the Point	(3/5,-4/5)	$(\frac{3}{5}, - \frac{4}{5})$
50758	Find the Other Trig Values in Quadrant III	csc(theta)=-3/2	$\csc (θ) = - \frac{3}{2}$
50759	Solve for θ in Radians	4sin(theta)^2-1=0	$4 \sin^{2} (θ) - 1 = 0$
50760	Convert from Radians to Degrees	4rad	$4$ rad
50761	Convert to Rectangular Coordinates	(6 square root of 3,(4pi)/3)	$(6 \sqrt{3}, \frac{4 π}{3})$
50762	Solve for x in Radians	-sin(x)=-cos(x)^2-1	$- \sin (x) = - \cos^{2} (x) - 1$
50763	Convert from Radians to Degrees	pi/4rad	$\frac{π}{4}$ radians
50764	Solve for x in Radians	sec(x)-2=0	$\sec (x) - 2 = 0$
50765	Find the Other Trig Values in Quadrant III	cot(theta)=4/3	$\cot (θ) = \frac{4}{3}$
50766	Solve for θ in Degrees	2tan(theta)^2+tan(theta)=0	$2 \tan^{2} (θ) + \tan (θ) = 0$
50767	Solve for θ in Radians	square root of 2sin(theta)+1=0	$\sqrt{2} \sin (θ) + 1 = 0$
50768	Verify the Identity	(tan(theta)+cot(theta))sin(theta)=sec(theta)	$(\tan (θ) + \cot (θ)) \sin (θ) = \sec (θ)$
50769	Find the Secant Given the Point	(-7/25,-24/25)	$(- \frac{7}{25}, - \frac{24}{25})$
50770	Convert to Trigonometric Form	1-sin(x)^2	$1 - \sin^{2} (x)$
50771	Solve for x in Radians	sec(x)-1=0	$\sec (x) - 1 = 0$
50772	Find the Reference Angle	cos(210 degrees )	$\cos (210 °)$
50773	Convert to Trigonometric Form	theta	$θ$
50774	Solve for x in Radians	cot(x)=( square root of 3)/3	$\cot (x) = \frac{\sqrt{3}}{3}$
50775	Find the Other Trig Values in Quadrant III	cos(theta)=-( square root of 2)/2	$\cos (θ) = - \frac{\sqrt{2}}{2}$
50776	Solve for θ in Degrees	9cos(theta)^2-4=0	$9 \cos^{2} (θ) - 4 = 0$
50777	Find the Reference Angle	arctan(-1)	$\arctan (- 1)$
50778	Solve for x in Degrees	4cos(x)^2-1=0	$4 \cos^{2} (x) - 1 = 0$
50779	Find the Coterminal Angle	1260	$1260$
50780	Find the Other Trig Values in Quadrant IV	sec(theta)=2	$\sec (θ) = 2$
50781	Find the Other Trig Values in Quadrant IV	sin(theta)=-4/9	$\sin (θ) = - \frac{4}{9}$
50782	Convert to Trigonometric Form	(sin(x)^2)/(1-cos(x))	$\frac{\sin^{2} (x)}{1 - \cos (x)}$
50783	Convert from Degrees to Radians	arccos(1)	$\arccos (1)$
50784	Solve for θ in Degrees	tan(theta)=-2	$\tan (θ) = - 2$
50785	Find the Reference Angle	cos(150 degrees )	$\cos (150 °)$
50786	Find the Length of c	tri{}{}{}{}{}{}	 $\begin{matrix} Side & Angle \\ \begin{matrix} b = \\ c = \\ a = \end{matrix} & \begin{matrix} A = \\ B = \\ C = \end{matrix} \end{matrix}$
50787	Solve for x in Radians	2cos(x)^2+cos(x)-1=0	$2 \cos^{2} (x) + \cos (x) - 1 = 0$
50788	Solve for x in Radians	2sin(x)+ square root of 2=0	$2 \sin (x) + \sqrt{2} = 0$
50789	Solve for x in Degrees	2cos(x)+1=0	$2 \cos (x) + 1 = 0$
50790	Convert from Radians to Degrees	2pirad	$2 π$ rad
50791	Find the Cotangent Given the Point	(-7/25,24/25)	$(- \frac{7}{25}, \frac{24}{25})$
50792	Find the Cotangent Given the Point	(8/17,15/17)	$(\frac{8}{17}, \frac{15}{17})$
50793	Find the Cosine of the Angle	(7pi)/6	$\frac{7 π}{6}$
50794	Find the Other Trig Values in Quadrant III	cot(theta)=3/4	$\cot (θ) = \frac{3}{4}$
50795	Find the Secant Given the Point	(7/25,24/25)	$(\frac{7}{25}, \frac{24}{25})$
50796	Expand the Trigonometric Expression	sec(theta)-cos(theta)	$\sec (θ) - \cos (θ)$
50797	Solve for θ in Degrees	sin(theta)cos(theta)-1/2cos(theta)=0	$\sin (θ) \cos (θ) - \frac{1}{2} \cos (θ) = 0$
50798	Convert to Trigonometric Form	sec(x)^2-1	$\sec^{2} (x) - 1$
50799	Find the Coterminal Angle	-pi	$- π$
50800	Find the Coterminal Angle	-(13pi)/3	$- \frac{13 π}{3}$