3. Find the exact value of the following expression. sin (0) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. sin (0) = (Simplify your answer. Type an exact answer, using a as needed. Use integers or fractions for any numbers in the expression.) B. The function is not defined.

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Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.