If cot 4A=tan(A-20). Where 4A is an acute angle, find the value of A. 32. If2 cot? 45 +M - cos2 30 = 2 then find M. -
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Step-by-step explanation:
sin(A−200)=cos(4A)
sin(A−200)=sin(900−4A)
Hence
A−200=900−4A
5A=1100
A=220
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