Suppose that A and B are angles in standard position. Use the given information to find (a) sin (A + B), (b) sin (A - B), (c) tan (A + B), (d) tan (A - B), (e) the quadrant A+B, and (f) the quadrant of A - B. 12 and cos B = -

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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.