sin 30° + cos 45° - cosec 45°=
Matematika
teratas
Pertanyaan
sin 30° + cos 45° - cosec 45°=
1 Jawaban
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1. Jawaban Anonyme
sin 30° + cos 45° - cosec 45°
= 1/2 + 1/2 √2 - √2
= 1/2 - 1/2 √2
= (1 - √2)/2
cosec 45° = 1/ sin 45° = √2