Question

Help me plz!! it's urgent!! ​

Answer 1

1. (i) = +1

(ii) = -1

2. (i) = pie/2

(ii) = 0

3. (i) = 1

(ii) = 0

4. 2x + 1 = 0

2x = -1

x = -1/2

5. (i) = 3x -2 = 0

3x = 2, X = 2/3

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