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Lance Kirby
Mathematics
7 May, 00:39
Sin (b) equals 1. Calculate cosinus.
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Ayanna Stevenson
7 May, 00:45
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Sinb = 1.
sin²b + cos²b = 1
1² + cos²b = 1
cos²b = 1 - 1
cos²b = 0
cosb = √0
cosb = 0
cosine b = 0
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