In `triangle ABC`, if a=3, b=4, and c=5, then find the value of cosA.

In /_\ABC , if a=13 , b=14 , c=15 then find the value of: cosA

In /_\ABC , if a=18 , b=24 , c=30 then find the values of: cosA

In a triangle ABC, if a=2,b=4,c=5 then cosA=

In triangle ABC, if b=3, cos A=3/5 and cos B=5/13 then find the value of (5c)/2

In a triangle ABC, a =3,c = 5 and b =4, then the value of radius of inscribe is "_____"

In triangle ABC, a = 2, b = 3,c = 4 , then the value of cos A is

If an a triangle ABC,b=3c and C-B=90^(@), then find the value of tan B

In a triangle ABC, a=3,b=4, c=5, then the value of (rr_(1)r_(2)r_(3))/6 is _____________

In a triangle ABC, a=3,b=4, c=5, then the value of (rr_(1)r_(2)r_(3))/6 is _____________

(i) If a:b:c= 2:3:4 and s=27 inches, find the area of the triangle ABC. (ii) If in a triangle ABC, a=6, b=3 and cos(A-B) =4/5 then find its area.