Find the value of each of the following under the given conditions:
tan alpha = -4/3, alpha lies in quadrant 2; cos beta = 5/6, beta lies in quadrant 1
(a) sin ( alpha + beta) =
(b) cos( alpha + beta) =
(c) sin ( alpha - beta) =
(d) tan ( alpha - beta) =
(simplify answer. Type an exact answer, using radicals as needed. Rationalize all denominators. Use intergers or fractions for any numbers in the expression)© BrainMass Inc. brainmass.com March 4, 2021, 11:41 pm ad1c9bdddf
This solution shows how to apply sum and difference formulas to find the exact values of trigonometric functions.