Question 1172588: Sea P (t) el punto en el círculo unitario U que corresponde a t. Si P (t) = (-8/17, 15/17), encuentre lo siguiente.
P (t + pi) = (?,?)
P (t-pi) = (?,?)
P (-t) = (?,?)
P (-t-pi) = (?,?)
Answer by ikleyn(52910)   (Show Source):
You can put this solution on YOUR website! .
- - - translated by GOOGLE - - -
Let P(t) be the point on the unit circle U that corresponds P(t) = (-8/17, 15/17). Find the following
(a) P (t + pi) = (?,?)
(b) P (t-pi) = (?,?)
(c) P (-t) = (?,?)
(d) P (-t-pi) = (?,?)
~~~~~~~~~~~~
(a) P (t + pi) = (8/17,-15/17) ( <<<---=== the opposite point on the unit circle).
(b) P (t - pi) = (8/17,-15/17) ( <<<---=== the same opposite point on the unit circle).
(c) P (-t) = (-8/17,-15/17) ( <<<---=== the mirror reflection of the given point about x-axis)
(d) P (-t-pi) = (8/17,15/17) ( <<<---=== the opposite point to that of (c) )
Solved. // All questions are answered.
Do you understand my English ?
. . . . . .
It is my second case at this forum, when I respond to the post written in the language other than English.
My first case was with Hindi. Again, I used GOOGLE translation in that case . . .
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