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Solution and Deduction
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July 3rd, 2009, 08:20 AM
dhiab
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Solution and Deduction
1 ) Solve in R this equation
:
( let:tan x= t)
2 )Deduct the values of :
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Solution and Deduction 
( let:tan x= t) 2 )Deduct the values of : ,\cos \left( {\frac{{3\pi }}{8}} \right),\sin \left( {\frac{\pi }{8}} \right),\sin \left( {\frac{{3\pi }}{8}} \right))