In the given figure, ABC & CEF are 2 ∆’s, BA || CE & AF: AC = 5: 8.
5 cm, 25 : 16
10 cm, 25 : 64
15 cm, 64 : 25
15 cm, 64 : 125
10 cm, 9 : 16
In the given figure, AB & DE are ⏊ to BC.
If AB = 6 cm, DE = 4 cm & AC = 15 cm.
If in a triangle ABC, a=6cm, b=8cm, c=10cm, then the value of sin 2A is