Find the cosine value — task. Mathematics CBSE, Class 10.

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The triangle \(ABC\) is right-angled at \(B\). If \(AC + BC\) \(=\) 8 \(cm\) and \(AB\) \(=\) 4 \(cm\), then calculate the ratio of \(\cos C\).

Answer:

The ratio of \(\cos C\) is

\frac{i}{i}

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12. Find the cosine value