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I: In a Delta ABC, if a=3,b=4, angle A=30^@ the number of possible triangles is 2 II. In a Delta ABC, ((a+b)cosC+(b+c)cosA+(c+a)cosB)/(sinA+sinB+sinC)=R

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only I is true
only II is true
both I, II are true
neither I nor II is true

Answer :A


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