Answer: Sin 2A = 14/13
Cos 2A =10/13
Step-by-step explanation: First do subtraction 12*12 ., then 5*5 ., the result will be 169 , then route it and got the result 13 , last we need to the value of polygon . We will got the value of polygon 13 . then we will got the actual value of those two result . Hope you got the point.