May 2021 2 264 Report
Please help me to solve these probs: Find the sol set of the ff: 1. Arctan(2x-3)= -π/4 2. Arccos(x+1)= 7π/6 ?

3. Arcsin((x-2))/((3))+Arccos(1/2)=arccos2

4. Arcsin x + Arccos(1-x) = π/2

thnks... c;

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