Marco's equation is correct. Cosine is an even function, which means that for every x, f(-x) = f(x). In other words, you get the same answer for a negative value that you would for its corresponding positive value.
Answer:
3x-6
Step-by-step explanation:
Thats the answer. .
Is 3 cm the height of the triangle?
Answer:
the answer is D
Step-by-step explanation:
4• y because since the brackets are multiplying the dot represents the x