cos 30° . cos 60° + cotan 45° =
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Astridjv95
Pertanyaan
cos 30° . cos 60° + cotan 45° =
2 Jawaban
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1. Jawaban nallsst
cos 30.cos 60 + cotan 45 = [tex] \frac{1}{2} \sqrt{3}. \frac{1}{2}+1 [/tex]
= [tex] \frac{1}{4} \sqrt{3}+1 [/tex] -
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