1. ΔPQR is right angled at Q. If cosP = 5/13, then what is the value of cosecR ?
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By: anil on 05 May 2019 02.06 am
Given : $$cos P$$ = $$frac{5}{13}$$ Also, $$cos P=frac{PQ}{PR}=frac{5}{13}$$ Let PQ = 5 cm and PR = 13 cm To find : $$cosec R=frac{PR}{PQ}$$
= $$frac{13}{5}$$ => Ans - (A)
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= $$frac{13}{5}$$ => Ans - (A)