Answer:
B. cosθ ≠ 0
Step-by-step explanation:
As we notice, tanθ is a fraction. Fractions are undefined when the denominator is equal to or approaching 0 because one cannot divide by zero. Thus, the denominator in this case is cosθ, and therefore it cannot equal zero for the equation to be true.
Answer:
c > 25
Step-by-step explanation:
B² - 4AC < 0
(-10)² - 4(1)(c) < 0
4c > 100
c > 25
Answer:
hey I have that same homework
Answer:
Step-by-step explanation:
so the coefficient is 4
When we multiply 2 same variable we add their power
So the last answer is 
