3. Given that sin(x) = and 0 ≤ x ≤ find the exact values in terms of 4 of sec(2x) + cot (x). You do not need to simplify your result. 4. 1+ cos(4x) - 2sin² (2x) can be written as A cos (Bx), where A and B are integer values. Find values of A and B

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