Berikan identitas trigonometri
Matematika
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Pertanyaan
Berikan identitas trigonometri
1 Jawaban
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1. Jawaban imronmaulana212
= sin" x (1+cos"x/sin"x) + cos"x (1+ sin"x/cos"x)
=( sin"x+ cos"x )+ (cos"x+sin"x)
= 1 +1
= 2 (QED)