Based on the CAST rule, in which quadrants is the sine ratio negative?
3Using the quotient identity, simplify the expression: tan(θ) * cos(θ).
4If point P(-9, 4) lies on the terminal arm of an angle θ in standard position, which of the following is true about its related acute angle β?
5Which of the following angles are co-terminal with 150°?
6Solve for θ in the range 0° ≤ θ ≤ 360° for the equation: sec(θ) = -√2.
7In triangle ABC, if a = 3 cm, b = 5 cm, and angle A = 30°, how many possible triangles exist (The Ambiguous Case)?
8What is the exact value of the reciprocal trig ratio csc(315°)?
9Simplify the trigonometric expression: 1 / sin²(θ) - cot²(θ).
10A 5-meter ladder leans against a wall forming a 30° angle with the wall. Which expression represents the exact distance from the top of the ladder to the floor?