Question 1075418
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2.  2*sin(2A) = 1  ---->  sin(2A) = {{{1/2}}}  ---->  

    2A = {{{pi/6}}}   and/or   2A = {{{13pi/6}}}  ---->


    there are TWO solutions for A:


    a)  A = {{{pi/12}}},   and

    b)  A = {{{13pi/12}}}.
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