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myntfalskj4

myntfalskj4

Answered question

2022-07-01

cot ( 2 cot 1 t ) simplifies to?

Answer & Explanation

pampatsha

pampatsha

Beginner2022-07-02Added 15 answers

A substitution (almost) always helps. Put t = cot θ. Then,
cot ( 2 cot 1 t ) = cot ( 2 θ ) = 1 tan 2 θ = 1 tan 2 θ 2 tan θ = cot θ 2 1 2 cot θ = t 2 1 2 t

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