2(cos 60)^2 + 4 (sec 30)^2 - (tan 45) / (sin 30)^2 + (cos 30)^2
Matematika
Christien21
Pertanyaan
2(cos 60)^2 + 4 (sec 30)^2 - (tan 45) / (sin 30)^2 + (cos 30)^2
1 Jawaban
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1. Jawaban bapakdr
= 2(1/2)² + 4(2/√3)² - 1 / (1)
= 2(1/4) + 4(4/3) - 1
= 1/2 + 16/3 - 1
= 3/6 + 32/6 - 6/6
= 29/6