Day: November 30, 2023

Hobbies, sports and game. destination B2 grammar

Phrasal verbs bring forward-change the date/time of the event so it happens earlier carry on-continue get round to-start something which has been planned for a very long time get up to– do something which you should not do go in for-enter go off-stop liking something join in-take part or participate look out-be careful knock out- deafeat… Read More Hobbies, sports and game. destination B2 grammar

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եռանկյունաչափություն

ա) 1 — cos2 α=sin2 α 1=sin2 α + cos2 α sin2 α + cos2 α — cos2 α=sin2 α բ) 1/cos2 α- 1 tg2 α + 1/cos2 1/cos2 α — 1 tg2 α+1-1=tg2 α գ) tg α * ctg α + ctg2 α 1 + ctg2 α = 1/sin2 α դ) tgβ * ctg β + tg2 β 1 + tg2 β=1/cos2 β ա) sin α — sin3 α/cos α — cos3 α = sin α*(1-sin2 α)/cos α*(1-cos2 α)=sin α * cos2 α/cos… Read More եռանկյունաչափություն

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