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Page 2 Prove the identities. 11. 6 cos(8x)sin(2x) sin(-6x) -3 sin(10x) csc(6x) + 3 12. sin(x) + sin(3x) = 4 sin(x) cos2(x) 13. 2 tan(x)

Page 2 Prove the identities. 11. 6 cos(8x)sin(2x) sin(-6x) -3 sin(10x) csc(6x) + 3 12. sin(x) + sin(3x) = 4 sin(x) cos2(x) 13. 2 tan(x) cos(3x) = sec(x) (sin(4x) - sin(2x)) 14 Sin(6x)+sin(4x) = tan (5x) cot(x) sin(6x)-sin(4x) Prison Home FO 8 2 4

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