Question

Koi jldi solve kr do bhai

Answer 1

Answer:

cos@={2.4+3.3+(-4) (-2) }/√(2²+3²+4²) √(4²+3²+2²)

cos@=25/√(29×29)

Explanation:

cos@=25×29=725

@=cos^-1(725)

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