TRIGONOMETRY INVERSE, IDENTITIES AND EQUATIONS - KFUPM

The range function f (x) = sin3x — —cos3x _ COS 16m D) 317 The sum Of all solutions of the equation x [0,3z) is — cosx — I in the interval . A) sin4x —cos4x — ... 8 sin x cos x E) 3 sin2x + 5 cos2x - 5 When simplified, the expression (2sin x + cos + (2cos x—sin — 5 is equal tan2x(1 + cot2x) = 1 — sin x 1- cos x C) csc2x ................
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