Answer Happy

5.3 - Investigating Sine, Cosine, and Tangent of Obtuse Angles 1. Given a point x) which has been placed in Quadrant of a coordinate trid, answer the following In richt APBA, what kind of angle is A? Orta Quddin This angle is between and degrees TADO 2. In right APBA, how can you use the Pythagorean Theorem and the values of Xandy to determine the length forside r? Find the length of X Y and. 3. In right APBA a) Which side is opposite <A? Adjacent to CA? Which side is the hypotenuse? b) Using x, y, and r, write each trig ratio: sin A COSA tan A c) What is the measure of <A? 4. The point Pixy) has been rotated about the origin into Quadrant 2. Answer the following: Angle A now appears larger since the point has been rotated PE Jy Quadrant Quadrant What kind of angle is A? This kind of angle is between and degrees State the length of x, y, and r. B 2 A100) a) What is the measure of angle A? How did you find this angle? b) Is the x-coordinate of P positive or negative in this quadrant? c) Is the y-coordinate of P positive or negative in this quadrant?