Let `A , B , C` be the three angles such that `A+B+C=pi` . If `T a nAtanB=2,` then find the value of `(cos(A-B))/(cosC)`

Let A , B , C be the three angles such that A+B+C=pi . If T a nAtanB=2, then find the value of (cosA.cosB)/(cos c)

Let A , B , C be the three angles such that A+B+C=pi . If tanAtanB=2, then find the value of (cos(A-B))/(cosC)

Let A , B , C be the three angles such that A+B+C=pi . If tanAtanB=2, then find the value of (cosAcosB)/(cosC)

Let A , B , C be the three angles such that A+B+C=pi . If tanA.tanB=2, then find the value of (cosAcosB)/(cosC)

Let A , B , C be the three angles such that A+B+C=pi . If tanA.tanB=2, then find the value of (cosAcosB)/(cosC)

Let A ,B,C, be the three angles such that A+B+C =pi .If tanA*tanB=2 .Then find the value of (cosAcosB)/(cosC) .

Let A,B,C be the three angles such that A+B+C=pi , tan A.tan B=2 , then find the value of (cos A cos B)/(cos C)

Let A,B,C be the three angles such that A+B+C=pi , tan A.tan B=2 , then find the value of (cos A cos B)/(cos C)

Let a, b, c be the sides of a triangle and let A, B, C be the respective angles. If b+c=3a, then find the value of the ratio cos((B-C)/2)/cos((B+C)/2)

Let A,B,C, be three angles such that A=pi/4 and tanB ,tanC=pdot Find all possible values of p such that A , B ,C are the angles of a triangle.