Solve tan^2 theta + 1 = -2 tan theta on the interval 0° ≤ θ ≤ 360°.

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?

Find the value of x. give reasons to justify your solutions! c ∈ ae