Mika sin A=7/25, mama cos 2A
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Pertanyaan
Mika sin A=7/25, mama cos 2A
1 Jawaban
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1. Jawaban yuliadwik09
Sin 7/25
Phytagoras 25^2-7^2 = 625-49 = 576 = 14
Cos 14/25 × 2 = 1.12
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