CalcNotes0103-page7

CalcNotes0103-page7 - sin 3 = 3 2 , so 3 will be the...

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(Chapter 1: Review) 1.41 PART D: SOLVING TRIG EQUATIONS Example Solve: 2sin 4 x () = ± 3 Solution 2sin 4 x () = ± 3 Isolate the sin expression. sin 4 x () = ± ± = ² 3 2 Substitution: Let = 4 x . sin = ² 3 2 We will now solve this equation for . Observe that
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Unformatted text preview: sin 3 = 3 2 , so 3 will be the reference angle for our solutions for . Since 3 2 is a negative sin value, we want brothers of 3 in Quadrants III and IV....
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