Question: Problem 16. Use the sum and difference formulas and the value of the trig functions over the special angles to simplify each expression: [Exact,

Problem 16. Use the sum and difference formulas and the value of the trig functions over the special angles to simplify each expression: [Exact, simplified answers only! Show work!] b) sin( x) = MATH 1113. Precalculus. FINAL May Problem 17. Using law of cosine find angle A if the sides are: a (FIND ONLY angle A, not all three angles! Round to thc nearest degree!)

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