8-3 Solving Right Triangles 17 Use the given trigonometric ratio to determine which angle of the triangle is ZA. 15 8 1. sin A =- 17 15 2. cos A =- 17 15 3. tan A = 8 15 4. sin A = 17 8 5. cos A = 17 6. tan A = 15 8.

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Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.