The answer is x+4 - 1/x+4
Hope that helps you.
the equation for the stated problem would be:
3x ≥ -6
Answer:
b
Step-by-step explanation:to find a fuuction you have to make sure the y dont repeat itself
Answer:
The value of cos Ф is ±
Step-by-step explanation:
There are important rules for sin Ф and cos Ф
∵ sin Ф =
∴ sin²Ф =
∴ sin²Ф =
→ By using the third rule above
∵ cos²Ф = 1 - sin²Ф
∴ cos²Ф = 1 -
∴ cos²Ф =
→ Take square root for both sides
∴ cos Ф = ±
∴ The value of cos Ф is ±