Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
7701	Expand Using Sum/Difference Formulas	cos((19pi)/12)	$\cos (\frac{19 π}{12})$
7702	Expand Using Sum/Difference Formulas	cos((2pi)/3)	$\cos (\frac{2 π}{3})$
7703	Expand Using Sum/Difference Formulas	cos((5pi)/6)	$\cos (\frac{5 π}{6})$
7704	Expand Using Sum/Difference Formulas	cos(20)	$\cos (20)$
7705	Expand Using Sum/Difference Formulas	cos(150)	$\cos (150)$
7706	Expand Using Sum/Difference Formulas	cos(pi/3)	$\cos (\frac{π}{3})$
7707	Expand Using Sum/Difference Formulas	sin((-13pi)/12)	$\sin (\frac{- 13 π}{12})$
7708	Expand Using Sum/Difference Formulas	sec(61)	$\sec (61)$
7709	Expand Using Sum/Difference Formulas	sec(-(5pi)/12)	$\sec (- \frac{5 π}{12})$
7710	Expand Using Sum/Difference Formulas	sec(-(7pi)/12)	$\sec (- \frac{7 π}{12})$
7711	Expand Using Sum/Difference Formulas	cos(45-30)	$\cos (45 - 30)$
7712	Find Amplitude, Period, and Phase Shift	y=tan(3pix)	$y = \tan (3 π x)$
7713	Find Amplitude, Period, and Phase Shift	y=tan(3x)	$y = \tan (3 x)$
7714	Find Amplitude, Period, and Phase Shift	y=tan(x/2+pi)	$y = \tan (\frac{x}{2} + π)$
7715	Find Amplitude, Period, and Phase Shift	y=tan(x/3)	$y = \tan (\frac{x}{3})$
7716	Expand Using Sum/Difference Formulas	arcsec(2)	$arcsec (2)$
7717	Expand Using Sum/Difference Formulas	sin(-75)	$\sin (- 75)$
7718	Expand Using Sum/Difference Formulas	sin(25)	$\sin (25)$
7719	Expand Using Sum/Difference Formulas	tan((11pi)/12)	$\tan (\frac{11 π}{12})$
7720	Expand Using Sum/Difference Formulas	tan(pi/4)	$\tan (\frac{π}{4})$
7721	Expand Using Sum/Difference Formulas	tan(-315)	$\tan (- 315)$
7722	Expand Using Sum/Difference Formulas	tan(pi/6)	$\tan (\frac{π}{6})$
7723	Expand Using Sum/Difference Formulas	tan(120)	$\tan (120)$
7724	Expand Using Sum/Difference Formulas	tan(-15)	$\tan (- 15)$
7725	Expand Using Sum/Difference Formulas	sin((17pi)/12)	$\sin (\frac{17 π}{12})$
7726	Expand Using Sum/Difference Formulas	sin((-pi)/12)	$\sin (\frac{- π}{12})$
7727	Expand Using Sum/Difference Formulas	sin(-15)	$\sin (- 15)$
7728	Expand Using Sum/Difference Formulas	sin(135)	$\sin (135)$
7729	Expand Using Sum/Difference Formulas	sin(1)	$\sin (1)$
7730	Expand Using Sum/Difference Formulas	sin(285)	$\sin (285)$
7731	Find the Reference Angle	310 degrees	$310 °$
7732	Find the Reference Angle	-(11pi)/3	$- \frac{11 π}{3}$
7733	Find the Reference Angle	-330 degrees	$- 330 °$
7734	Find the Reference Angle	(14pi)/5	$\frac{14 π}{5}$
7735	Find the Reference Angle	-(15pi)/4	$- \frac{15 π}{4}$
7736	Find the Reference Angle	780 degrees	$780 °$
7737	Find the Reference Angle	(13pi)/7	$\frac{13 π}{7}$
7738	Find the Reference Angle	(12pi)/4	$\frac{12 π}{4}$
7739	Find the Reference Angle	(12pi)/5	$\frac{12 π}{5}$
7740	Find the Reference Angle	(16pi)/7	$\frac{16 π}{7}$
7741	Find the Reference Angle	-(16pi)/9	$- \frac{16 π}{9}$
7742	Find the Reference Angle	-(5pi)/9	$- \frac{5 π}{9}$
7743	Find the Reference Angle	(17pi)/5	$\frac{17 π}{5}$
7744	Find the Reference Angle	1.4	$1.4$
7745	Find the Reference Angle	-(7pi)/3	$- \frac{7 π}{3}$
7746	Find the Reference Angle	(8pi)/6	$\frac{8 π}{6}$
7747	Find the Reference Angle	-(6pi)/7	$- \frac{6 π}{7}$
7748	Find the Reference Angle	-(3pi)/2	$- \frac{3 π}{2}$
7749	Find the Reference Angle	-pi/6	$- \frac{π}{6}$
7750	Find the Reference Angle	(18pi)/7	$\frac{18 π}{7}$
7751	Find the Reference Angle	(17pi)/23	$\frac{17 π}{23}$
7752	Find the Reference Angle	-(29pi)/18	$- \frac{29 π}{18}$
7753	Find the Reference Angle	(26pi)/9	$\frac{26 π}{9}$
7754	Find the Reference Angle	130 degrees	$130 °$
7755	Find the Reference Angle	730 degrees	$730 °$
7756	Find the Reference Angle	127	$127$
7757	Find the Reference Angle	132	$132$
7758	Find the Reference Angle	140	$140$
7759	Find the Reference Angle	-144	$- 144$
7760	Find the Reference Angle	125 degrees	$125 °$
7761	Find the Reference Angle	115 degrees	$115 °$
7762	Find the Reference Angle	-0.4pi	$- 0.4 π$
7763	Find the Reference Angle	-pi/2	$- \frac{π}{2}$
7764	Find the Reference Angle	-0.8pi	$- 0.8 π$
7765	Find the Reference Angle	pi/8	$\frac{π}{8}$
7766	Find the Reference Angle	0	$0$
7767	Find the Reference Angle	107 degrees	$107 °$
7768	Find the Reference Angle	105	$105$
7769	Find the Reference Angle	1020 degrees	$1020 °$
7770	Find the Reference Angle	220 degrees	$220 °$
7771	Find the Reference Angle	-220 degrees	$- 220 °$
7772	Find the Reference Angle	235 degrees	$235 °$
7773	Find the Reference Angle	-225 degrees	$- 225 °$
7774	Find the Reference Angle	207	$207$
7775	Find the Reference Angle	203	$203$
7776	Find the Reference Angle	-200 degrees	$- 200 °$
7777	Find the Reference Angle	205	$205$
7778	Find the Reference Angle	-200	$- 200$
7779	Find the Reference Angle	-20	$- 20$
7780	Find the Reference Angle	2.3	$2.3$
7781	Find the Reference Angle	2.5	$2.5$
7782	Find the Reference Angle	195	$195$
7783	Find the Reference Angle	-197 degrees	$- 197 °$
7784	Find the Reference Angle	-199 degrees	$- 199 °$
7785	Find the Reference Angle	-(11pi)/6	$- \frac{11 π}{6}$
7786	Find the Reference Angle	-163 degrees	$- 163 °$
7787	Find the Reference Angle	-15 degrees	$- 15 °$
7788	Find the Reference Angle	-145	$- 145$
7789	Find the Reference Angle	-190	$- 190$
7790	Find the Reference Angle	179 degrees	$179 °$
7791	Find the Reference Angle	180 degrees	$180 °$
7792	Find the Reference Angle	-170 degrees	$- 170 °$
7793	Find the Reference Angle	-175	$- 175$
7794	Find the Reference Angle	165 degrees	$165 °$
7795	Find the Reference Angle	-165 degrees	$- 165 °$
7796	Find the Reference Angle	395	$395$
7797	Find the Reference Angle	380 degrees	$380 °$
7798	Find the Reference Angle	415	$415$
7799	Find the Reference Angle	415 degrees	$415 °$
7800	Find the Reference Angle	-40	$- 40$