Penjelasan dengan langkah-langkah:
TRIGONOMETRI DASAR
Sin B = 5/7
x = √(7²–5²)
x = √(49 – 25)
x = √24
x = 2√6
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Penjelasan dengan langkah-langkah:
TRIGONOMETRI DASAR
Sin B = 5/7
x = √(7²–5²)
x = √(49 – 25)
x = √24
x = 2√6
Cos B = 2√6 ✔
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