SOLUTION: find tan(x-y) if sin(x)=8/17 and cos(y)=3/5 and x and y are both in the first quadrant. no decimals

Question 544558: find tan(x-y) if sin(x)=8/17 and cos(y)=3/5 and x and y are both in the first quadrant. no decimals
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
The trigonometric ratios you were given are part of known Pythagorean triples, sets of 3 numbers that can be the lengths of the sides of a right triangle.

->, ->

Then apply one of those formulas, like

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