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Sagot :

Bjr

A = √2sin(pi/4)+ √3cos(pi/6)

A = √2×√2/2+√3×√3/2

A = 2/2+3/2

A = 1+3/2

A = 2,5

B = sin(pi/6)-cos(pi/2)

B = 1/2-0

B = 0,5

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