Discover Questions

Prove the following assertions involving arbitrary sets A, B, C: (a) A × (B ∩ C) = (A × B) ∩ (A × C) (b) (A ∪ B) × C = (A × C) ∪ (B × C)? Would the Jupiter cycles affect the weather on earth? Will there be another moon landing in the next 5 years? If I had primary complex as a child, will I test positive for a 2-step TB test? How is tan5x-tan4x-tanx equal to tan5x.tan4x.tanx?