Math Problem Statement

Ubah persamaan berikut ke dalam bentuk kartesius dan tentukan jenis bangunnya.

a. r = 3sin theta

b. r * cos(theta - pi/3) = 5

c. r ^ 2 * (9cos theta - 4sin theta) = 36

Solution

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Math Problem Analysis

Mathematical Concepts

Coordinate Geometry
Polar to Cartesian Conversion
Circle Equations
Line Equations
Quadratic Curves

Formulas

r = √(x² + y²)
sin θ = y/r
cos θ = x/r
r cos(θ - α) = x cos α + y sin α

Theorems

Pythagorean Theorem for Cartesian conversion
Circle Equation in Cartesian form
Line Equation in Cartesian form

Suitable Grade Level

Grades 10-12