AP Precalculuseasymcq1 pt
The parametric equations x = 3cos t, y = 3sin t trace a circle of radius
A.3
B.9
C.1
D.√3
Explanation
Core Concept
x² + y² = 9.
Correct Answer
A3
More Unit 4: Functions Involving Parameters, Vectors, and Matrices practice questions
- mediumThe parametric curve x = 2t + 1, y = t − 3 is a line with slope
- easyA matrix with equal rows has determinant
- easyThe vector ⟨0, 0⟩ is called
- easyThe matrix [[1, 0], [0, 3]] scales the y-axis by
- easyA parametric representation of a circle is
Practice more AP Precalculus questions with full explanations
Practice Unit 4: Functions Involving Parameters, Vectors, and Matrices Questions →