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2 cos2 x + 1 = 5 sin x, giving each solution in terms of m (a) Given that sin = 5 cos 9, find the value of tan e. (b) Hence, or otherwlse, find the values of 9 in the interval 0 < 0< 3600 for which sin 9 = 5 cos 9, giving your answers to 1 decimal place. (6) (1) (3) b/ 0 5 cos b 78.7 ................
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