In a `DeltaABC`, if `tan (A/2), tan (B/2), tan (C/2)` are in A.P., prove that `cos A, cos B, c

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In `DeltaABC`, if ` /_C = 90^0`, then prove that `tan (A/2) = sqrt((c-b)/(c+b)) = a/(b+c)` In `DeltaABC`, if ` /_C = 90^0`, then prove that `tan (A/2) = sqrt((c-b)/(c+b)) = a/(b+c)`
[IIT 1979] If A+B+C = 2*PI then show tan(A/2) + tan(B/2) + tan(C/2) = tan(A/2)*tan(B/2)*tan(C/2). [IIT 1979] If A+B+C = 2*PI then show tan(A/2) + tan(B/2) + tan(C/2) = tan(A/2)*tan(B/2)*tan(C/2).
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If in Delta ABC, tan.(A)/(2) = (5)/(6) and tan.( C)/(2)= (2)/(5), then prove that a, b, and c ar... If in Delta ABC, tan.(A)/(2) = (5)/(6) and tan.( C)/(2)= (2)/(5), then prove that a, b, and c ar...
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How to calculate inverse tan in scientific calculator #scintific #calculator #studenthacks How to calculate inverse tan in scientific calculator #scintific #calculator #studenthacks