Update ANS: Sec theta = sec alpha sec beta+tan alpha tan beta prove tan theta = +-(sec alpha tan beta +tan alpha sec beta)

29 Apr 2022

Sec theta = sec alpha sec beta+tan alpha tan beta prove tan theta = +-(sec alpha tan beta +tan alpha sec beta)

Sec theta = sec alpha sec beta+tan alpha tan beta prove tan theta = +-(sec alpha tan beta +tan alpha sec beta)

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