Question:
lim (cos²θ - sin²θ)/(cosθ - sinθ) = θ->π/4 (A) - 1
Last updated: 8/11/2022
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lim (cos²θ - sin²θ)/(cosθ - sinθ) = θ->π/4 (A) - 1 (B) 0 (C) √2 (D) 1 (E)1/√2
Last updated: 8/11/2022
lim (cos²θ - sin²θ)/(cosθ - sinθ) = θ->π/4 (A) - 1 (B) 0 (C) √2 (D) 1 (E)1/√2