Amplitude is 4
I don’t know the cos function, sorry :(
Answer:
You need to times the first two numbers together and then times the answers with the other number and at the end divide them and this is ur answer, i have a test right now so i cant really do it for you so get a notebook and paper and try to solve it
Step-by-step explanation:
Answer:
i think it is B
Step-by-step explanation: don't ask for an explanation cuz i wont give one
Answer:
its27.54 8.1×3.4 =27.54 base×height