In an acute angled triangle `A B C ,` if `tan(A+B-C)=1` and `,sec(B+C-A)=2,` find the value of `A ,Ba n dCdot`

In an acute angled triangle ABC, if tan(A+B-C)=1 and ,sec(B+C-A)=2, find the value of A,B and C.

In an acute angled DeltaABC , if tan (A+B-C) = 1 and sec (B+C-A)=2 , then find the value of cos (4B-3A) .

In an acute angled Delta ABC, if 'tan(A+B-C)=1 and sec(B+C-A)=2 and . Then value of A is:

In an acute angled triangle tan A,1,11,tan B,11,1,tan C]|=

If A,B,C are the angles of an acute angled triangle and cos(B+C-A)=0, sin (C+A-B)=(sqrt(3))/2 , find the values of A,B , and C.

The angle A of the triangle ABC is obtuse, if sec(B+C)=cosec (B-C)=2,find the angles.

In an acute angled triangle ABC,if (tan A)/(2)=(tan B)/(3)=(tan C)/(5) then /_ABC is equal to

In a triangle A B C, tan A+tan B+tan C=6 and tan A . tan B=2, then the values of tan A tan B and tan C are