Find the exact value of cot-1(1). (5 points)

Todos celebramos la victoria después de [q17] el partido a Ohio State 46-10.

Verify the identity. sin 4x = 2 sin 2x cos 2x (5 points)

Which of these moments is not one of the 5 moments of Hand Hygiene as recommended by the World Health Organization?

The point P(15, 20) is on the terminal side of θ. Evaluate sin θ. (5 points)

What type of relationship exists between education and salary/savings/earnings?

Verify the identity.sin = cos x (7 points) 

A building has a ramp to its front doors to accommodate the handicapped. If the distance from the building to the end of the ramp is 20 feet and the height from the ground to the front doors is 6 feet, how long is the ramp? (Round to the nearest tenth.) (5 points)

Use synthetic division to determine whether the number k is an upper or lower bound (as specified for the real zeros of the function f). k = 4; f(x) = 4×4 – 3×3 – 2×2 – 5x – 4; Upper bound? (5 points)

Use the Rational Zeros Theorem to write a list of all potential rational zeros. (5 points) f(x) = 13×3 + 23×2 + 2x – 26