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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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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Verified answer
sin(A−20 )=cos(4A)
sin(A−20 )=sin(90 −4A)
Hence
A−20 =90 −4A
5A=110
A=22
Hope it helps yaa!!(^•^)
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