" In "/_ABC,a-5,b=4" and "cos(A+B)=(31)/(12)," in this triangle "4c^(3)" is equal to "

In triangle ABC,a=5,b=4 and cos(A+B)=(31)/(32) In this triangle,c=

In triangle ABC, a=5, b=4 and cos(A-B)=(31)/(32) In this triangle, c=

In triangle ABC, a=5, b=4 and cos(A+B)=(31)/(32) In this triangle, c=

In triangle ABC, a=5, b=4 and cos(A+B)=(31)/(32) In this triangle, c=

If in Delta ABC,a=5,b=4 and cos(A-B)=(31)/(32) ,then

In DeltaABC, if a =5,b=4 and cos (A-B)=31/32 ,then the perimeter of triangle is

In Delta ABC, if a = 6, b=3 and cos (A-B) = (4)/(5) " then " angle C =

In triangle ABC, if sin A cos B=(1)/(4) and 3tan A=tan B, then cot ^(2)A is equal to (a)2 (b) 3 (c) 4 (d) 5 .

In Delta ABC , a= 6 ,b=3 and cos (A-B) = 4/5 .Then are of triangle is