Answer:
look this for the solution
Answer:
`15
Step-by-step explanation:
Answer:
Sometimes
Step-by-step explanation:
When x is a nonzero integer, then x can be
If x is negative, then is positive (multiplying negative number by -3 you get positive number).
If x is positive, then is negative (multiplying positive number by -3 you get negative number).
So, the statement "When x is a nonzero integer, the quantity -3x will be negative" is sometimes true.
Answer: C
cosA=AC/AB
sinB=AC/AB
hence cosA=sinB