Mathematics, 03.08.2019 01:40, Queenofpizza

Find cos b exactly if a = 15, b = 11, and angle c is a right triangle choices; a) 15/11 b) 11/15 c) sqrt346/15 d) 15/sqrt346

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Find cos b exactly if a = 15, b = 11, and angle c is a right triangle choices; a) 15/11 b) 11/15 c)...