tan5A=cot(3A+6)??????????
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Answer:
tan 5A = cot (3A+6)
Cot (90°- 5A)= cot(3A+6)
90°- 5A = 3A + 6
90 - 6 = 3A+5A
84= 8A
A= 84/8
A= 21/2
A= 10.5
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