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posted by dylan on Sunday, April 21, 2013 at 6:29pm.
Use the sum-to-product formula to simplify the expression: If sin 52 + sin 8 = sin A, 0<A<90, then A =??? degrees.
sin 52 + sin 8 = 2 sin 30 * cos 22 so sin A = 2*.5*.927 = .927 A= 68 degrees
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