If sin(Ф)=3/5, and cos(Ф)=-4/5, which of the following is true?
a.) sin((π/2)-Ф)= 4/5
b.) cos((π/2)-Ф)=-3/5

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Atravel agent is booking a trip to england, scotland, ireland, and france for a group of senior citizens. the agent sent surveys to the group, asking which countries they would like to visit, in order, and created the shown preference schedule (e = england, i = ireland, s = scotland, f = france). which country is the condorcet winner? number of votes 15 12 16 19 1st f e e i 2nd e s i s 3rd s i s e 4th i f f f 1. scotland 2. england 3. france 4.ireland

How do newtons third law of motion demonstrates on a rollar coster