Considering the given value of t, choose the ordered pair that lies on the graph of the given pair of parametric equations.
-$$x = \sin t , y = \cos t ; t = \frac { \pi } { 2 }$$
A) $( 1,0 )$
B) $( 0 , - 1 )$
C) $( - 1,0 )$
D) $( , 1 )$

Question

Quizplus · Accepted Answer

For $t = \frac{\pi}{2}$, $\sin\left(\frac{\pi}{2}\right) = 1$ and $\cos\left(\frac{\pi}{2}\right) = 0$, so the ordered pair is $(1,0)$.

Considering the Given Value of T, Choose the Ordered Pair x=sin⁡t,y=cos⁡t;t=π2x = \sin t , y = \cos t ; t = \frac { \pi } { 2 }x=sint,y=cost;t=2π​

Considering the Given Value of T, Choose the Ordered Pair $x = \sin t , y = \cos t ; t = \frac { \pi } { 2 }$