6. CosX cot?x-cosx -0 cosA (cod 3x -)= coskcotX +D Crotă-) =0 cotx+l=0 cot x= -| tan=l-1 cotx-1=o cotx.l 7.60054- 15 cosx-9=0 36x-5x-3) 2 2. co X=4T 2

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