Question: Solve. 1. cosx + 1 = 0; x ER 2. 4sinx-1=0; x ER 3. 2cosx +3cosx + 1 = 0;0 < x < 2


Solve. 1. cosx + 1 = 0; x ER 2. 4sinx-1=0; x 

Solve. 1. cosx + 1 = 0; x ER 2. 4sinx-1=0; x ER 3. 2cosx +3cosx + 1 = 0;0 < x < 2 4. sin2x2cosx = 0;0 x < 2

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