Question
Solution
Put θ = 450 = (1 / 1/√2 – 1 / 1/√2) + 1/(√2-1) – 1/(√2+1) = (√2 – √2) + (√2+1) – √2+1 / 2 – 1 = 0 + 2 = 2 Option 3 satisfied 2 when θ = 450 = (√2) × (√2) = 2
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