Question

If sec 4A = cosec (A-20°), where 4A is an acute angle, find the value of A
can anyone answer this question it's urgent
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Answer 1

sin(A−20 )=cos(4A)

sin(A−20 )=sin(90 −4A)

Hence

A−20 =90 −4A

5A=110

A=22

Hope it helps yaa!!(^•^)

Answer 2

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