Question

if Sec4A=cosec(A-20) where 4A is an acute angel find the value of "A"

Answer 1

cosec(90- a) = seca
sec4a= cosec(90-4a)
cosec(90- 4a)=cosec(a-20)
90-4a=a-20
90+20=a+4a
110=5a
22= A

Answer 2

Hii There!!!
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