College Algebra and Trigonometry

a₁ algebraic angle Answer arithmetic progression asymptotes augmented matrix axes complex numbers constant coordinates cos² cosine Cramer's rule defined degree denominator determine domain Evaluate EXAMPLE EXERCISE SET exponential exponents factor Figure Find the number formula function f Gaussian elimination geometric progression given equation identity indicated operations inequality integer inverse irrational number law of sines linear equations linear system loga logarithms mathematical induction matrix multiply natural numbers nth root parabola perform the indicated polynomial positive Problems PROGRESS CHECK Find PROGRESS CHECK Solve PROGRESS TEST Property quadrant radians rational expressions rational number real coefficients real number line right triangle sides simplify sin² sine sketch the graph slope solution set Step substitution synthetic division system of linear Table tan² term Theorem trigonometric functions unit circle variable verify vertical write x-axis y-intercept zero