Q. 3

# Which of the foll

Answer :

We know that,

a) is correct since Sin θ [-1,1]

b) cos θ = 1 is correct since Cos θ [-1,1]

c)

cos θ=2 is incorrect since Cos θ [-1,1]

d) tan θ = 20 is correct since tan θ R.

e)

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