Question

If cos a = 3/5 cos b = 5 /13 cos c = 4 / 5 then ratio of sides of triangle are

Answer 1

Answer:

52:12:39

Step-by-step explanation:

As cosa=3/5

Therefore sina=4/5

Similarly sinb=12/13 and sinc=3/5

By sine rule

Sina:sinb:sinc=a:b:c

=4/5:12/13:3/5

=52:12:39