tentikan cosec 135 dan cosec 225
Matematika
wahib6
Pertanyaan
tentikan cosec 135 dan cosec 225
1 Jawaban
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1. Jawaban 18Navillera
cosec 135
= cosec (90+45)
= sec 45°
= akar 2
cosec 225
= cosec (180+45)
= cosec 45
= - akar2