Let A = 1 sin 1 sin 1 sin 1 sin 1 θ   − θ θ   − − θ  , where 0 ≤ θ ≤ 2π. Then (A) Det (A) = 0 (B) Det (A) ∈ (2, ∞) (C) Det (A) ∈ (2, 4) (D) Det (A) ∈ [2, 4]

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| Exercise 4.5

Question 9

Let A = 1 sin 1 sin 1 sin 1 sin 1 θ   - θ θ   - - θ  , where 0 \leq θ \leq 2π. Then (A) Det (A) = 0 (B) Det (A) \in (2, \infty) (C) Det (A) \in (2, 4) (D) Det (A) \in [2, 4]

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