In Exercises 73-78

MATHEMATICS · Subjective · A Level · Mathematics · Exponentials and logarithms · Exponentials and logarithms

Problem

In Exercises 73-78, confirm the identity. 78. ln⁡∣sec⁡θ+tan⁡θ∣+ln⁡∣sec⁡θ−tan⁡θ∣=0\ln |\sec \theta+\tan \theta|+\ln |\sec \theta-\tan \theta|=0

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