Answer:
cot(x)sec4(x)=cot(x)+2tan(x)+tan3(x) is an identity.
Answer:
im 90% sure its A
Step-by-step explanation:
Let's try plugging in some negative numbers. Let's do x=-1. 5+-1=4. So we know that if we put in a negative number for x, then n will be positive. But what if we do a number greater than -5, because 5+-5=0. So let's try x=-6. So 5+(-6)=-1. Hmm. So here it is. We know that any number under -5 will be positive and any number above -5 will be negative.
Answer:
<h2>25 km</h2>
Step-by-step explanation:
Answer:
Step-by-step explanation:
B
