Answer:
3b^7a^6c^9/64
Step-by-step explanation:
The formula for cosine is adj/hyp. For angle B, 10 is the adjacent and 24 is the opposite. The hypotenuse ( in this case, 26) is the longest side. the ratio for angle b would be 10/26.
I think it’s c if not i’m sorry i got you incorrect but it just makes more since