ANGLE BTW (i+j+k) and (i+j) is x.THEN 2SEC 2 x is

ANGLE BTW (i+j+k) and (i+j) is x.THEN 2SEC2

 x is


1 Answers

Badiuddin askIITians.ismu Expert
148 Points
13 years ago

Dear vardana


 ANGLE BTW (i+j+k) and (i+j) is x

cosx =(i+j+k).(i+j)/|i+j+k||i+j|

        =2/√3 √2


secx =√3/√2

2sec2x =3

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