Cotan²45°+tan²45°= Tolong dibantu guys :)
Matematika
corry5137
Pertanyaan
Cotan²45°+tan²45°= Tolong dibantu guys :)
1 Jawaban
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1. Jawaban chandra4141
Cot^2 45 = (Cos 45/ Sin 45)^2
= [(1/2)/(1/2)]^2 = 1
Tan^2 45 = (Sin 45/ Cos 45)^2
= [(1/2)/(1/2)]^2 = 1
Cot^2 45 + Tan^2 45 = 1 + 1 = 2