Тригонометрия теңсіздігі

Front

sinx≥α

Back

[arcsinα+2πk; π-arcsinα+2πk]

Front

cos x ≥α

Back

[-arccosα+2πk; arccosα+2πk]

Front

tg x≥α

Back

Front

ctg x≥α

Back

(πk; arcctgα+πk]

Front

sinx≤α

Back

[-π-arcsinα+2πk; arcsinα+2πk]

Front

cos x≤α

Back

[arccosα+2πk; 2π-arccosα+2πκ]

Front

tgx≤α

Back

Front

ctg x≤α

Back

[arcctgα+πk; π+πk)