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Popular Trigonometry Problems

solvefor θ,cos(θ)=0	solvefor\:θ,\cos(θ)=0
sec^2(2x)-2tan(2x)=0	\sec^{2}(2x)-2\tan(2x)=0
solvefor x,du=cos(4x)	solvefor\:x,du=\cos(4x)
((sin(θ))/(2cos(θ)))-1=0	(\frac{\sin(θ)}{2\cos(θ)})-1=0
2cos^2(2x)+9cos(4x)=-2.4214900000000…	2\cdot\:\cos^{2}(2x)+9\cdot\:\cos(4x)=-2.4214900000000…
tan(-x)=tan(x)	\tan(-x)=\tan(x)
6sin(θ)=6sin(2θ)	6\sin(θ)=6\sin(2θ)
2sin(15)cos(15)=tan(x)	2\sin(15^{\circ\:})\cos(15^{\circ\:})=\tan(x)
6sin^2(x)+5cos(x)=7	6\sin^{2}(x)+5\cos(x)=7
sqrt(3)cos(x)+sin(x)=-1	\sqrt{3}\cos(x)+\sin(x)=-1
-3=tan^2(θ)-2-2tan(θ)	-3=\tan^{2}(θ)-2-2\tan(θ)
-2cos^2(x)-9sin(x)-3=0	-2\cos^{2}(x)-9\sin(x)-3=0
sin(2x)=-(2sqrt(6))/7	\sin(2x)=-\frac{2\sqrt{6}}{7}
tan(6x)-3tan(3x)=0	\tan(6x)-3\tan(3x)=0
sin(a)= 2/5	\sin(a)=\frac{2}{5}
cos^2(θ)-cos(θ)-1=0	\cos^{2}(θ)-\cos(θ)-1=0
3cot^2(x)-4csc(x)=1	3\cot^{2}(x)-4\csc(x)=1
(18cos(2θ)+27cos(θ))/2 =0	\frac{18\cos(2θ)+27\cos(θ)}{2}=0
cos(x)=sin(2x)+cos(3x)	\cos(x)=\sin(2x)+\cos(3x)
tan(x)sec(x)-2tan(x)=0	\tan(x)\sec(x)-2\tan(x)=0
-9cos^2(θ)+9=17sin(θ)-8	-9\cos^{2}(θ)+9=17\sin(θ)-8
solvefor θ,r=2cos(θ)	solvefor\:θ,r=2\cos(θ)
sin(2x)=(2sqrt(2))/3	\sin(2x)=\frac{2\sqrt{2}}{3}
arccos(x)= 15/17	\arccos(x)=\frac{15}{17}
4tan^2(θ)-9=0	4\tan^{2}(θ)-9=0
sin(θ)=7.19	\sin(θ)=7.19
sqrt(3)= pi/3 sec^2(c)	\sqrt{3}=\frac{π}{3}\sec^{2}(c)
(sin(90))/(3.37)=(sin(x))/(0.7)	\frac{\sin(90^{\circ\:})}{3.37}=\frac{\sin(x)}{0.7}
cos(x)=sqrt((1-cos(x))/2)	\cos(x)=\sqrt{\frac{1-\cos(x)}{2}}
7cos(4x)=6	7\cos(4x)=6
sin(x)tan(x)+3tan(x)=0	\sin(x)\tan(x)+3\tan(x)=0
sin^2(x/2)=0	\sin^{2}(\frac{x}{2})=0
tan(t)=2	\tan(t)=2
-120=-90-arctan(0.1)+arctan(0.1x)	-120=-90-\arctan(0.1)+\arctan(0.1x)
3tan(x)=0	3\tan(x)=0
2sin^2(x)-15sin(x)+7=0	2\sin^{2}(x)-15\sin(x)+7=0
solvefor x,cos(x)=(-3)/5	solvefor\:x,\cos(x)=\frac{-3}{5}
4sin^2(x)=4cos(x)+5	4\sin^{2}(x)=4\cos(x)+5
sin(3x-pi/5)=0-1	\sin(3x-\frac{π}{5})=0-1
2+sin(3θ)=3-sin(3θ)	2+\sin(3θ)=3-\sin(3θ)
sin(2x)=-cos(3x)+sin(4x)	\sin(2x)=-\cos(3x)+\sin(4x)
sin(x+pi/2)=-cos(x)	\sin(x+\frac{π}{2})=-\cos(x)
sin(x)=(3/5)	\sin(x)=(\frac{3}{5})
solvefor x,sin^2(x)=cos^2(x)	solvefor\:x,\sin^{2}(x)=\cos^{2}(x)
cos(θ)=1+2cos(θ)	\cos(θ)=1+2\cos(θ)
cos(β)= 2/7	\cos(β)=\frac{2}{7}
tan(x)= 930/1793	\tan(x)=\frac{930}{1793}
sin(x)+cos(x)=0.2	\sin(x)+\cos(x)=0.2
sin(x)cos(x)=-(sqrt(2))/4	\sin(x)\cos(x)=-\frac{\sqrt{2}}{4}
sin(a)=0.3	\sin(a)=0.3
sin(x)= 5/13 ,tan(x), pi/2 <= x<= pi	\sin(x)=\frac{5}{13},\tan(x),\frac{π}{2}\le\:x\le\:π
sin(x)+cos^2(x)= 5/4	\sin(x)+\cos^{2}(x)=\frac{5}{4}
2cos^2(θ)-5cos(θ)-3=0	2\cos^{2}(θ)-5\cos(θ)-3=0
15sin(x)+6cos(x)-3=0	15\sin(x)+6\cos(x)-3=0
sqrt(1+cot^2(x))=8	\sqrt{1+\cot^{2}(x)}=8
1/(1-sin(x))+1/(1+sin(x))=2csc^2(x)	\frac{1}{1-\sin(x)}+\frac{1}{1+\sin(x)}=2\csc^{2}(x)
tan(x)-sqrt(1-2tan^2(x))=0	\tan(x)-\sqrt{1-2\tan^{2}(x)}=0
cos(θ)=-sqrt(2/5),tan(2θ)	\cos(θ)=-\sqrt{\frac{2}{5}},\tan(2θ)
sin(x+pi/6)=(sqrt(2))/2	\sin(x+\frac{π}{6})=\frac{\sqrt{2}}{2}
1/(sqrt(2))=cos(x)	\frac{1}{\sqrt{2}}=\cos(x)
2sin(4x)=sin(2x)	2\sin(4x)=\sin(2x)
csc(x)sec(x)=2sqrt(2)	\csc(x)\sec(x)=2\sqrt{2}
solvefor u,x=sinh(u)	solvefor\:u,x=\sinh(u)
sin(θ)=(tan(θ))/(sin(θ))	\sin(θ)=\frac{\tan(θ)}{\sin(θ)}
5tan^2(t)-tan(t)=0	5\tan^{2}(t)-\tan(t)=0
sin(x)= 9/16	\sin(x)=\frac{9}{16}
24=32+8-2sqrt(328)*cos(θ)	24=32+8-2\cdot\:\sqrt{32\cdot\:8}\cdot\:\cos(θ)
sin(45+a)cos(45+a)=(sqrt(2))/2	\sin(45^{\circ\:}+a)\cos(45^{\circ\:}+a)=\frac{\sqrt{2}}{2}
tan(x)*sin(x)=5219	\tan(x)\cdot\:\sin(x)=5219
sin(z)=sqrt(2)	\sin(z)=\sqrt{2}
2*sin^2(x)+sin(x)=1	2\cdot\:\sin^{2}(x)+\sin(x)=1
sin(x)= 9/10	\sin(x)=\frac{9}{10}
4sin(x)-sec(x)=0	4\sin(x)-\sec(x)=0
sin^2(x)=(1-cos^2(x))/2	\sin^{2}(x)=\frac{1-\cos^{2}(x)}{2}
cos(x)=-1/2 ,0<x<2pi	\cos(x)=-\frac{1}{2},0<x<2π
cot(θ)=cos(θ)	\cot(θ)=\cos(θ)
3sin^2(θ)-cos(θ)+1=0	3\sin^{2}(θ)-\cos(θ)+1=0
2-2cos^2(x)=0	2-2\cos^{2}(x)=0
3csc^3(x)-4csc(x)=0	3\csc^{3}(x)-4\csc(x)=0
tan(θ)=(6.06)/(-33.5)	\tan(θ)=\frac{6.06}{-33.5}
csc(θ)=(sqrt(13))/2 ,sec(θ)=(sqrt(13))/3	\csc(θ)=\frac{\sqrt{13}}{2},\sec(θ)=\frac{\sqrt{13}}{3}
4cos^2(x)+cos(2x)-7cos(x)=-2,0<= x<= 360	4\cos^{2}(x)+\cos(2x)-7\cos(x)=-2,0^{\circ\:}\le\:x\le\:360^{\circ\:}
(16)/(sin(a))=(12)/(sin(31))	\frac{16}{\sin(a)}=\frac{12}{\sin(31^{\circ\:})}
tan(x)= 25/10	\tan(x)=\frac{25}{10}
sin(x)-1=0,0<= x<2pi	\sin(x)-1=0,0\le\:x<2π
3cos(θ)=sqrt(2cos(θ))	3\cos(θ)=\sqrt{2\cos(θ)}
(26.4575)/(sin(60))=(20)/(sin(B))	\frac{26.4575}{\sin(60^{\circ\:})}=\frac{20}{\sin(B)}
sin(5/2 θ)=-0.966	\sin(\frac{5}{2}θ)=-0.966
sin^2(x)-2/3 =0	\sin^{2}(x)-\frac{2}{3}=0
0=-8sin(x)	0=-8\sin(x)
cos^2(x)+2cos(x)+1=0,(0,2pi)	\cos^{2}(x)+2\cos(x)+1=0,(0,2π)
3sin(2θ)=2sin(θ)	3\sin(2θ)=2\sin(θ)
sin(x)*cos^2(x)=sin(x)	\sin(x)\cdot\:\cos^{2}(x)=\sin(x)
sinh(y)=-2	\sinh(y)=-2
2sin(θ)=-sqrt(3)+4sin(θ)	2\sin(θ)=-\sqrt{3}+4\sin(θ)
7^2=6^2+11^2-2611*cos(D)	7^{2}=6^{2}+11^{2}-2\cdot\:6\cdot\:11\cdot\:\cos(D)
-4cos^2(x)+3cos(x)+1=0	-4\cos^{2}(x)+3\cos(x)+1=0
cos^2(θ)+(5^2cos(θ))/(9.81(8))-1=0	\cos^{2}(θ)+\frac{5^{2}\cos(θ)}{9.81(8)}-1=0
105=100+30sin((12pi)/5 t)	105=100+30\sin(\frac{12π}{5}t)
3/(sin(x))= 1/(cos(x))	\frac{3}{\sin(x)}=\frac{1}{\cos(x)}

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