jika sin A =8/17, maka nilai tg 2a =
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Pertanyaan
jika sin A =8/17, maka nilai tg 2a =
1 Jawaban
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1. Jawaban bisma7
Sina=8/17
Cosa=15/17
Tana=8/15
Tan2a= 2tana/1-tan²a
Tan2a= (2.8/17) /(1-64/289)
Tan2A=4624/3825
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