Homework SourseSuppose a real number t determines the terminal point ab on
Suppose a real number t determines the terminal point (a,b) on the unit circle. Find the terminal point determined by the real number 2pi-t
(A,-b)
(-a,-b)
(B,a)
(A,b)
(-a,b)
Suppose a real number t determines the terminal point (a,b) on the unit circle. Find the terminal point determined by the real number 2pi-t
(A,-b)
(-a,-b)
(B,a)
(A,b)
(-a,b)
(A,-b)
(-a,-b)
(B,a)
(A,b)
(-a,b)
Solution
given real number t determines the terminal point (a,b) on the unit circle
=>(cost , sint )= (a,b)
for real number 2pi-t
cos(2pi-t) =cost =a
sin(2pi -t)=-sin(t) =-b
terminal point determined by the real number 2pi-t is (a,-b)
