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In a Delta ABC If tan"" (A )/(2 ...

In a `Delta ABC ` If ` tan"" (A )/(2 ) = (5 )/(6) , tan ""(C )/( 2) = (2)/(5)` then

A

a,c,b are in A.P

B

a,b,c are in G.P

C

b,a,c are in A.P

D

a,b,c are in A.P

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The correct Answer is:
D
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