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A : In triangle ABC if a,A and R are fixed then Deltaa *sec A+Deltab*secB+Deltac*secC=0 R : In any triangle , A+B+C = pi and soDelta A+DeltaB+DeltaC=0

Answer»

A,R are TRUE and R is CORRECT EXPLANATION of A
A,R are true of but R is not correct explanation of A
A is true , R is FALSE
A is false, R is true

Answer :A


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