It is given thatsinA =8/17 i.e., PERPENDICULAR = 8 & hypotenuse = 17BASE =√ h^ - p^base = √17^ - 8^base = √289 - 64base = √225base = 15 unit.therefore, cos A = base/ hpyo = 15/17Tan A =perp/base = 8/15
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