Answer:
25 I think.
Step-by-step explanation:
I just did 5x5 soo....
It seems to be none of the above
Answer:
Jaden added instead of subtracting 23 and 5
Step-by-step explanation:
Answer:
Step-by-step explanation:
<u>3 hours for studying x subjects:</u>
You can use the sum and difference identities which for cosine is cos(a+b)= cosacosb-sinasinb