So, we should use the Sum and also Difference Formula to see what the equipment is such the

tan(x-y) = / <1+tanxtany>, wherein sinx = 15/17 and also cosy = 8/17. Since 15 and also 17 are size of two sides, the third side is 8 by the Pythagorean Triple concept. The very same thing goes because that the cosy = 8 / 17, where the lacking side is 15 to complete the Pythagorean Triple.

Then, tanx = 15/8 and also tany is also equal to 15/8. Thus,

tan(x-y) = <15/8 - 15/8> / <1+(15/8)(15/8)> = 0 / (225/64)+1 = 0

I hope this helped!

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