Diketahui cot t= 3/5,t sudut lancip. Hitunglah sin 2t
Matematika
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Pertanyaan
Diketahui cot t= 3/5,t sudut lancip. Hitunglah sin 2t
1 Jawaban
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1. Jawaban ariefsh761
Cot t=3/5.
X = 3 y =5 r = √9+25=√34
Sin t = 5/√34
Cos t = 3/√34
Sin2t = 2 sint cost
= 2 .5/√34.3/√34
=30/34
= 15/17