Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
7801	Find the Reference Angle	-420 degrees	$- 420 °$
7802	Find the Reference Angle	430	$430$
7803	Find the Reference Angle	-440 degrees	$- 440 °$
7804	Find the Reference Angle	520	$520$
7805	Find the Reference Angle	5pi	$5 π$
7806	Find the Reference Angle	5.9	$5.9$
7807	Find the Reference Angle	-5	$- 5$
7808	Find the Reference Angle	495 degrees	$495 °$
7809	Find the Reference Angle	-45	$- 45$
7810	Find the Reference Angle	-300 degrees	$- 300 °$
7811	Find the Reference Angle	-(9pi)/7	$- \frac{9 π}{7}$
7812	Find the Reference Angle	295	$295$
7813	Find the Reference Angle	310	$310$
7814	Find the Reference Angle	-315	$- 315$
7815	Find the Reference Angle	35	$35$
7816	Find the Reference Angle	-260 degrees	$- 260 °$
7817	Find the Reference Angle	-270 degrees	$- 270 °$
7818	Find the Reference Angle	-270	$- 270$
7819	Find the Reference Angle	285 degrees	$285 °$
7820	Find the Reference Angle	295 degrees	$295 °$
7821	Find the Reference Angle	255 degrees	$255 °$
7822	Find the Reference Angle	260	$260$
7823	Find the Complement	75 degrees	$75 °$
7824	Find the Complement	cos(60)	$\cos (60)$
7825	Find the Complement	tan(15)	$\tan (15)$
7826	Find the Complement	64 degrees	$64 °$
7827	Find the Complement	56 degrees	$56 °$
7828	Find the Complement	50 degrees	$50 °$
7829	Find the Complement	270 degrees	$270 °$
7830	Find the Complement	285 degrees	$285 °$
7831	Expand Using De Moivre's Theorem	cos(8x)	$\cos (8 x)$
7832	Find the Other Trig Values in Quadrant II	sin(theta)=3/5	$\sin (θ) = \frac{3}{5}$
7833	Find the Complement	225 degrees	$225 °$
7834	Find the Complement	250 degrees	$250 °$
7835	Find the Complement	315 degrees	$315 °$
7836	Find the Complement	-35 degrees	$- 35 °$
7837	Find the Complement	35	$35$
7838	Find the Supplement	60 degrees	$60 °$
7839	Find the Supplement	85 degrees	$85 °$
7840	Find the Supplement	cos(30)	$\cos (30)$
7841	Find the Complement	-(7pi)/9	$- \frac{7 π}{9}$
7842	Find the Complement	35 degrees	$35 °$
7843	Find the Complement	pi/2	$\frac{π}{2}$
7844	Find the Complement	-pi/6	$- \frac{π}{6}$
7845	Find the Complement	160 degrees	$160 °$
7846	Find the Complement	130 degrees	$130 °$
7847	Find the Complement	135 degrees	$135 °$
7848	Find the Complement	1.5	$1.5$
7849	Find the Complement	120 degrees	$120 °$
7850	Find the Complement	13 degrees	$13 °$
7851	Find the Supplement	15	$15$
7852	Find the Supplement	27 degrees	$27 °$
7853	Find the Supplement	30	$30$
7854	Find the Supplement	45 degrees	$45 °$
7855	Find the Supplement	(4pi)/3	$\frac{4 π}{3}$
7856	Find the Supplement	-pi/6	$- \frac{π}{6}$
7857	Find the Supplement	(19pi)/6	$\frac{19 π}{6}$
7858	Find the Reference Angle	700 degrees	$700 °$
7859	Find the Reference Angle	705	$705$
7860	Find the Reference Angle	720	$720$
7861	Find the Reference Angle	80 degrees	$80 °$
7862	Find the Reference Angle	90	$90$
7863	Find the Reference Angle	0.6	$0.6$
7864	Find the Reference Angle	610	$610$
7865	Find the Reference Angle	55	$55$
7866	Find the Reference Angle	555	$555$
7867	Find the Reference Angle	-600	$- 600$
7868	Find the Reference Angle	-60 degrees	$- 60 °$
7869	Solve for ?	2sin(theta)+ square root of 2=0	$2 \sin (θ) + \sqrt{2} = 0$
7870	Find the Reference Angle	-590	$- 590$
7871	Find the Reference Angle	590 degrees	$590 °$
7872	Find the Reference Angle	cos(225)	$\cos (225)$
7873	Find the Reference Angle	cos(135)	$\cos (135)$
7874	Find the Reference Angle	95 degrees	$95 °$
7875	Find the Reference Angle	92	$92$
7876	Find the Reference Angle	95	$95$
7877	Find the Reference Angle	-95	$- 95$
7878	Find the Reference Angle	90-142	$90 - 142$
7879	Find the Reference Angle	900 degrees	$900 °$
7880	Find the Reference Angle	921	$921$
7881	Find the Reference Angle	-pi/3	$- \frac{π}{3}$
7882	Find the Reference Angle	690 degrees	$690 °$
7883	Find the Reference Angle	cot(390)	$\cot (390)$
7884	Find the Reference Angle	csc(60)	$\csc (60)$
7885	Find the Reference Angle	tan(-210)	$\tan (- 210)$
7886	Find the Reference Angle	tan(-240)	$\tan (- 240)$
7887	Find the Reference Angle	sec(240)	$\sec (240)$
7888	Find the Reference Angle	sec(30)	$\sec (30)$
7889	Verify the Identity	(cos(x)+sin(x))/(cos(x)-sin(x))=(1+tan(x))/(1-tan(x))	$\frac{\cos (x) + \sin (x)}{\cos (x) - \sin (x)} = \frac{1 + \tan (x)}{1 - \tan (x)}$
7890	Verify the Identity	(cos(y))/(1-sin(y))=(1+sin(y))/(cos(y))	$\frac{\cos (y)}{1 - \sin (y)} = \frac{1 + \sin (y)}{\cos (y)}$
7891	Verify the Identity	(cos(x+y))/(cos(x)cos(y))=1-tan(x)tan(y)	$\frac{\cos (x + y)}{\cos (x) \cos (y)} = 1 - \tan (x) \tan (y)$
7892	Verify the Identity	(cos(2x))/(sin(x))=csc(x)	$\frac{\cos (2 x)}{\sin (x)} = \csc (x)$
7893	Verify the Identity	(cos(2x))/(1+sin(2x))=(cot(x)-1)/(cot(x)+1)	$\frac{\cos (2 x)}{1 + \sin (2 x)} = \frac{\cot (x) - 1}{\cot (x) + 1}$
7894	Verify the Identity	(cos(2x))/(1-sin(2x))=(1+tan(x))/(1-tan(x))	$\frac{\cos (2 x)}{1 - \sin (2 x)} = \frac{1 + \tan (x)}{1 - \tan (x)}$
7895	Verify the Identity	(cos(2x))/(cos(x)+sin(x))+(sin(2x))/(cos(x)-sin(x))=1/( square root of 2cos(45+x))	$\frac{\cos (2 x)}{\cos (x) + \sin (x)} + \frac{\sin (2 x)}{\cos (x) - \sin (x)} = \frac{1}{\sqrt{2} \cos (45 + x)}$
7896	Verify the Identity	(4sin(x)^2-1)/(2sin(x)+1)=2sin(x)-1	$\frac{4 \sin^{2} (x) - 1}{2 \sin (x) + 1} = 2 \sin (x) - 1$
7897	Verify the Identity	1/(csc(x)-cot(x))-1/(sin(x))=1/(sin(x))-1/(csc(x)+cot(x))	$\frac{1}{\csc (x) - \cot (x)} - \frac{1}{\sin (x)} = \frac{1}{\sin (x)} - \frac{1}{\csc (x) + \cot (x)}$
7898	Verify the Identity	1/(sin(x))-1/(csc(x))=csc(x)-sin(x)	$\frac{1}{\sin (x)} - \frac{1}{\csc (x)} = \csc (x) - \sin (x)$
7899	Verify the Identity	(1+sec(x)^2)/(1+tan(x)^2)=1+cos(x)^2	$\frac{1 + \sec^{2} (x)}{1 + \tan^{2} (x)} = 1 + \cos^{2} (x)$
7900	Verify the Identity	1/2*(1-cos(2x))=sin(x)^2	$\frac{1}{2} \cdot (1 - \cos (2 x)) = \sin^{2} (x)$