Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
x
=
1
-
c
o
s
θ
c
o
s
θ
,
y
=
1
-
c
o
s
θ
s
i
n
θ
Math Input
Natural Language
Math Input
