Answer:
That's incorrect. The simplest way to show this is by evaluating the functions at a given point. Let's say x=0, then:
Sin(-x) = Sin(0) = 0
-cos x = -cos (0) = -1
Therefore, Sin(-x)≠-cos x.
?!?! whaaatt confused lol
Answer:
Don't quote me on this, but I think that the answer is C.
The answer should be -3/28
Answer:
A
Step-by-step explanation:
I think your right!
