Math, asked by vbhavani1443, 5 months ago

A line mask angle q1,q2,q3,and q4 with diagranals of a cube show that cos²q1+cos²q2+cos²q3+cos²q4=4/3​

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Answered by kritish89
2

Answer:

the length of a rectangular file is 45m and breadth is 22m this field is to be fenced with barbed wire on it's all side state how much long wire is needed

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