The value of cot⍬tan(90°–⍬)–sec(90°–⍬)cosec⍬+(sin²25°+sin²65°)+√3 (tan5°tan15°tan 30°tan75°tan 85°)

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Видео The value of cot⍬tan(90°–⍬)–sec(90°–⍬)cosec⍬+(sin²25°+sin²65°)+√3 (tan5°tan15°tan 30°tan75°tan 85°) автора Bartenders Fortress