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30-03-2016
Mathematics

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Sin(b) equals 1. Calculate cosinus.

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olemakpadu olemakpadu

30-03-2016

sinb = 1.

sin²b + cos²b = 1

1² + cos²b = 1

cos²b = 1 - 1

cos²b = 0

cosb = √0

cosb = 0

cosine b = 0

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