Question: (c) [5 marks] One may derive the trig identities co 2 a: cot (2.1:) : % and (3802(3)) (38002:) : 200t(:1:) D0 C(23) and 8(13)

(c) [5 marks] One may derive the trig identities co 2 a: cot (2.1:) : % and (3802(3)) (38002:) : 200t(:1:) D0 C(23) and 8(13) nearly satisfy such identities

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