if tan 5A=cot(A-36) were 5A is an acute angle.find the value of A??
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21
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tan 5A=cot(A-36)
=》cot (90-5A)=cot (A-36)
=》90-5A=A-36
=》90+36=5A+A
=》126=6A
=》A=126/6=21
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