Unit Circle
cos((5pi)/3)
1/2
cos^(-1)((-\sqrt(2))/2)
(3pi)/4
(1-cos^(2)(x))/(sin(x)
sin(x)
The number 4[cos((5pi)/6)+isin((5pi)/6)] in rectangular form.
-2\sqrt(3)+2i
Convert the polar coordinates to rectangular.
(-6,(5pi)/6)
(3\sqrt3,-3)
tan((-7pi)/6)
-1/\sqrt(3) or
-\sqrt3/3
tan^(-1)(-\sqrt(3))
-pi/3
cot(x)sec(x)
csc(x)
The number
1/2-\sqrt3/2i in polar/trigonometric form
cos((5pi)/3)+isin((5pi)/3)
Convert the rectangular coordinates to polar.
(-2\sqrt3,-2)
(4, (7pi)/6) or
(4, -(5pi)/6)
cot((17pi)/4)
1
sin^(-1)(-sqrt(3)/2)
-(pi)/3
(cot(x)+csc(x))^(2)(1-cos(x))-1
cos(x)
Find the product of z*w
z=5[cos(pi/7)+isin(pi/7)]
w=2[(cos(pi/3)+isin(pi/3)]
10[cos((10pi)/21)+isin((10pi)/21)]
Convert the polar equation to rectangular.
r=6sin\theta
x^2+y^2-6y=0
OR
x^2+(y-3)^2=9
sin((271pi)/6)
-1/2
cos(cos^(-1)(pi))
Does not exist!
cos(x)(1+(sec^(2)(x))/csc^(2)(x))
sec(x)
Find the trigonometric form of the quotient.
(12[cos((3pi)/5)+isin((3pi)/5)])/(3[cos(pi/10)+isin(pi/10)])
4[cos(pi/2)+isin(pi/2)]
Convert the rectangular equation to polar.
y=4
r=2/cos\theta=2sectheta
sec((968433pi)/4)
\sqrt(2)
sin^(-1)(-1/2)+tan^(-1)(1)
pi/12
sin(x)/(1-cot(x))-cos(x)/(tan(x)-1)-cos(x)
sin(x)
Write in rectangular form.
(4[cos(pi/6)+isin(pi/6)])^(3)
64i
Convert the polar equation into rectangular.
r=tanxsecx
y=x^2