please answer

Asked by  | 15th Jun, 2009, 12:19: AM

Expert Answer:

A X B=|A||B|sinΦ n

| A X B | = |A||B|sinΦ=|A||B|sinΦ/cosΦ *cosΦ=|A||B|cosΦ *tanΦ=|A.B| tanΦ

Answered by  | 15th Jun, 2009, 02:59: AM

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