1.

If a→ , b→ are two vectors such that a→=1,b→=2 and a→×b⇀=2 then the angle between a→ and b→ is _____________.

Answer» If a→ , b→ are two vectors such that a→=1,b→=2 and a→×b⇀=2 then the angle between a→ and b→ is _____________.


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