Hello from MrBillDoesMath!
Answer:
-2.6
Discussion:
Tan(@) is an odd function so
tan([email protected]) = -tan(@) = - 2.6
Recall tan(@) = sin(@)/cos(@) and sin is an odd function whereas cos is an even function. Hence their quotient, tan, is an odd function.
Thank you,
MrB
Answer: 432/20= 21.6 miles per gallon Have a good day and always smile
Step-by-step explanation:
Answer:
the left hand side is equals to |13| which is nothing but 13 so is the right hand side.
That true. You have two ways to show it:
Method 1:
Factor the expression. You have

So, you're multiplying two consecutive numbers. One of them must be even, and if a factor of a product is even, the result will be even.
Method 2:
If x is even,
is even as well. So,
is a subtraction between even numbers, which gives an even number.
If x is odd,
is odd as well. So,
is a subtraction between odd numbers, which gives an even number.