Question: (4) Suppose A cos(A - B). A) and cosB arcsin < B < 27. Find the exact value of (5) Evaluate each of the

(4) Suppose A cos(A - B). A) and cosB arcsin < B < 27. Find the exact value of (5) Evaluate each of the following expressions. b) cos (tanl (3)) 9 (6) If thc arca of a triangle is and two of thc sides have length 6 and 3, find thc anglc between these two sides. (7) Show that sin(a b) tan a + tan b tan a tan b

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