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...Section solving trigonometric equations and identities chapter in the last two chapters we have used basic definitions relationships to simplify expressions solve this will look at more complex by conducting a deeper study of can learn complicated allowing us interesting applications with addition subtraction double angle modeling changing amplitude midline solved explore techniques needed trig building from what already know makes much easier task consider function if you were asked f x it requires simple algebra factor giving solutions or similarly for g t sin using unit circle values so on these same concepts composition functions creates an equation that is polynomial types use algebraic like factoring quadratic formula along as reminder here are some essential learned far part precalculus investigation lippman rasmussen material licensed under creative commons cc sa license pythagorean cos cot csc tan sec negative reciprocal example all kind looks but place variable often call suc...