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Please provide answers for these questions 6. Determine the exact value of each using compound angle or double angle formulas. [4 marks a) 1 23in2

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Please provide answers for these questions

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6. Determine the exact value of each using compound angle or double angle formulas. [4 marks a) 1 23in2 CE) b) sin (5%) COS () COS (Sf) 51'" (3 7. Solve for x, x E [0, 21:]. Give exact radian valuelsl where possible. Round to the nearest hundredth, where necessary. [6 marks 4c052x 4cosx 3 = 0

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