1. ΔDEF is right angled at E. If cotD = 8/15, then what is the value of cotF ?
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By: anil on 05 May 2019 02.05 am
Given : $$cot D$$ = $$frac{8}{15}$$ Also, $$cot D=frac{DE}{EF}=frac{8}{15}$$ Let DE = 8 cm and EF = 15 cm To find : $$cot F=frac{EF}{DE}$$
= $$frac{15}{8}$$ => Ans - (A)
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= $$frac{15}{8}$$ => Ans - (A)