find A when the cosecant of A equalls 13/5

find all six trigonometric functions of angle A in triangle ABC when side B is 12cm and side A is 5 cm and Angle C is 90
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1 Answer

The hypotenuse has length 13=√12²+5².

sinA=a/c=5/13, cosA=b/c=12/13, tanA=a/b=5/12, cosecA=13/5, secA=13/12, cotA=12/5.
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