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210 HAND-IN HOMEWORK WI 3. Prove the trigonometric identity: 1 + sinx + cos. + CSX - sinx (Keep in mind that you cant merely
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I +COM sinen) +Concal-sinca) 1- sini = 1 - sinken It sin(a) 1-sin? () = con u! he rule a-b=(a-b) (atb) atb cal_5 = atb 1+Conc

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