if for A=7/8 Find the value of cosec A
Answer is √113/8
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Step-by-step explanation:
cot A =7/8 then
By using Pythagoras theom
(Ac)^2=(AB)^2+BC^2
Ac^2=8^2+7^2
Ac^2=64+49
Ac^2=113
Ac=root 113
Cosec A = 1/cosA=hypotheses/adj.side
Cosec A = root113/8
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