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Popular Trigonometry Problems

((1-tan^2(a)))/((tan(a)))=2cot^2(a)	\frac{(1-\tan^{2}(a))}{(\tan(a))}=2\cot^{2}(a)
cos(6x)=cos(2x)	\cos(6x)=\cos(2x)
cot(x)cos(x)-sin(x)=1	\cot(x)\cos(x)-\sin(x)=1
cos^4(x)+cos^3(x)-2=0	\cos^{4}(x)+\cos^{3}(x)-2=0
tan^2(x)= 1/(cos(x)+1)	\tan^{2}(x)=\frac{1}{\cos(x)+1}
(sin^2(x)-2cos(x)+1)/4 =0	\frac{\sin^{2}(x)-2\cos(x)+1}{4}=0
cos^2(x)+cos^4(x)+cos^6(x)=0	\cos^{2}(x)+\cos^{4}(x)+\cos^{6}(x)=0
sin(x)=(-1)/4	\sin(x)=\frac{-1}{4}
sin^4(x)-sin^2(x)=0	\sin^{4}(x)-\sin^{2}(x)=0
(cos(t)-4)(2sin^2(t)-1)=0	(\cos(t)-4)(2\sin^{2}(t)-1)=0
sin(75)= x/9	\sin(75^{\circ\:})=\frac{x}{9}
solvefor i,2cos^3(x)+sin(x)+1=2sin^2(x)	solvefor\:i,2\cos^{3}(x)+\sin(x)+1=2\sin^{2}(x)
solvefor t,tan(x)=csc^2(x)-2	solvefor\:t,\tan(x)=\csc^{2}(x)-2
solvefor y,xy+2y=sin(x)	solvefor\:y,xy+2y=\sin(x)
cos(15)= a/(55)	\cos(15^{\circ\:})=\frac{a}{55}
tan^0(2x+15)=-1	\tan^{0}(2x+15)=-1
x=(20)/(sin(45))	x=\frac{20}{\sin(45^{\circ\:})}
prove sin^4(u)-cos^4(u)=2sin^2(u)-1	prove\:\sin^{4}(u)-\cos^{4}(u)=2\sin^{2}(u)-1
prove tan^4(x)-sec^4(x)=-2sec^2(x)+1	prove\:\tan^{4}(x)-\sec^{4}(x)=-2\sec^{2}(x)+1
prove (tan(x)+cot(x))tan(x)=sec^2(x)	prove\:(\tan(x)+\cot(x))\tan(x)=\sec^{2}(x)
prove (cos(x)+sin(x))^2-2sin(x)cos(x)=1	prove\:(\cos(x)+\sin(x))^{2}-2\sin(x)\cos(x)=1
prove 1-cos^2(x)=(tan^2(x))/(sec^2(x))	prove\:1-\cos^{2}(x)=\frac{\tan^{2}(x)}{\sec^{2}(x)}
prove (1-sin^2(a))sec^2(a)-1=0	prove\:(1-\sin^{2}(a))\sec^{2}(a)-1=0
prove ((cos^2(x)))/((1-sin(x)))=1+sin(x)	prove\:\frac{(\cos^{2}(x))}{(1-\sin(x))}=1+\sin(x)
prove 8csc^2(x)-3cot^2(x)=3+5csc^2(x)	prove\:8\csc^{2}(x)-3\cot^{2}(x)=3+5\csc^{2}(x)
prove sin^2(t)=(sin(t))^2	prove\:\sin^{2}(t)=(\sin(t))^{2}
Solve over the Interval sin(2x)-2cos(x)=0 , (0,2pi)	\sin(2x)-2\cos(x)=0,(0,2π)
Find the Exact Value sin((5pi)/3)	\sin(\frac{(5π)}{3})
Find the Exact Value sin((5pi)/2)	\sin(\frac{(5π)}{2})
sin((3pi)/2)	\sin(\frac{(3π)}{2})
Solve for x k=(1+sin(x))/n	solvefor\:x,k=\frac{(1+\sin(x))}{n}
Solve for a in Degrees tan(a)=1/3	solvefor\:a,\tan(a)=\frac{1}{3}
Find the Exact Value cos((4pi)/3)	\cos(\frac{(4π)}{3})
Find the Exact Value cos((3pi)/4)	\cos(\frac{(3π)}{4})
Find the Exact Value sec((5pi)/6)	\sec(\frac{(5π)}{6})
Solve for a tan(a)=1/3	solvefor\:a,\tan(a)=\frac{1}{3}
Find the Degree tan(theta)=-4/5	\tan(θ)=\frac{-4}{5}
Find the Exact Value sec((5pi)/3)	\sec(\frac{(5π)}{3})
Find Where Undefined/Discontinuous sin(x)=18.5/20	\sin(x)=\frac{18.5}{20}
Find the Exact Value sec((2pi)/3)	\sec(\frac{(2π)}{3})
Find the Exact Value sin(135/2)	\sin(\frac{135}{2})
Find the Exact Value cos((5pi)/6)	\cos(\frac{(5π)}{6})
Find the Trig Value cos(theta)=4/5 , 270 degrees <theta<360 degrees	\cos(θ)=\frac{4}{5},270^{\circ\:}<θ<360^{\circ\:}
tan((5pi)/6)	\tan(\frac{(5π)}{6})
Find the Exact Value sin(200/90)	\sin(\frac{200}{90})
Solve for x tan(x)=2	solvefor\:x,\tan(x)=2
Solve for x cos(2x)=-cos(x)	solvefor\:x,\cos(2x)=-\cos(x)
Find the Exact Value sin((2pi)/3)	\sin(\frac{(2π)}{3})
Find Trig Functions Using Identities sin(x)=4/5 , cos(x)=3/5	\sin(x)=\frac{4}{5},\cos(x)=\frac{3}{5}
Find the Exact Value 50/(tan(53))	\frac{50}{(\tan(53^{\circ\:}))}
Find the Exact Value cos((3pi)/2)	\cos(\frac{(3π)}{2})
Find the Exact Value sin((3pi)/4)	\sin(\frac{(3π)}{4})
Solve for x cos(x)=( square root of 3)/2	solvefor\:x,\cos(x)=\frac{(\sqrt{3})}{2}
Verify the Identity sec(x)=1/(cos(x))	prove\:\sec(x)=\frac{1}{(\cos(x))}
Find the Exact Value tan(0 degrees )	\tan(0^{\circ\:})

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