Answer
r = 2
Step-by-step explanation:
Hello,
1) cos t* tan t=cos t* sin t/cos t =sin t (if cos t≠0)
2)cos t * cosec t =cos t /sin t =√(1-sin² t) / sin t.
Answer:
J' = (3,0)
K' = (3,-2)
L' = (0,-2)
Step-by-step explanation:
First student is correct. explanation: 2+2+13+13=30, if the perimeter has to be at least 30 13 is the option that adds up to it.