Question 1 (7 marks) Consider the sets C = {(x, y) ∈ R2 | x2 − y2 = 1} P = { 1/2 ( e t + e − t ) i + 12 ( e t − e − t ) j | t ∈ R } (a)  Prove carefully that P ⊆ C. (b)  Is it true that ...