Answer:
SinC =7/25
CosC=24/25
TanC=7/24 
Explanation:
I like to use this to remember
 SOH CAH TOA
For Sin its Opposite over Hypotenuse 
For Cos its Adjacent over Hypotenuse 
For Tan its Opposite over Adjacent
So for this one its 
SinC =7/25
CosC=24/25
TanC=7/24 
I hope this helps