5 and 1 you multiple 5*1 to get 5 and add 5+1 to get 6
Answer:
D
Step-by-step explanation:
cosΘ =
= 
In logarithm, inverse operations are applied.
Yeah C should be the correct answer
Answer: 3+3=9
⇔
Step-by-step explanation: three fingers to start add three fingers total of nine