1 tan(i.)) t =-+ 2h, v2 Vị cos(i.) V2 2h, cos(i.) t = -+ V2 V1 1 1 t =-+ 2h, V2 Hint: cos? (i.) + sin²(i.) = 1 V1 sin(i) = v2 sin(ic) tan(i.) = cos(ic)

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Q: 1 radian, s = 2 feet, r= ? 3 73. 0 D

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A: Solution:

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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.