UPSEE 2018 Solved Paper

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Question : 102 of 150

Marks: +1, -0

For positive integer n, if f(n)=sinnθ+cosnθ. Then

f(3)−f(5)

f(5)−f(7)

is

f(1)
f(3)
f(3)
f(1)
f(3)
f(5)
f(5)
f(7)

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