Sin240°-cos300°+tan(-45)
Matematika
bernardfabian5580
Pertanyaan
Sin240°-cos300°+tan(-45)
1 Jawaban
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1. Jawaban Anonyme
jawab
sin 240 - cos 300 + tan(-45) =
= - sin 60 - cos 30 + (-1)
= (- 1/2 √3 - 1/2√ 3 ) - 1
= -√3 - 1