Cosec 150 + cos 225 + tan 120
Matematika
arcane
Pertanyaan
Cosec 150 + cos 225 + tan 120
1 Jawaban
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1. Jawaban ahreumlim
Cosec 150 + cos 225 + tan 120
= 1/sin150 + cos 225 + sin120 / cos120
= 1/(1/2) + -√2 / 2 + √3/2 (-2)
= 2 - √2/2 - √3
= (4 - √2 - 2√3) / 2