Trigonometry Identities I Introduction - Math Plane

Sin2x + Cos 2x = 1 (trig identity) smxcosx smxcosx sm sm x —cos x x cos2 x ... 3 cosx 270 3) 5) 5 sinx 3 sinx 270 4) Find a general solution (in degrees) ... 12tan Solve and graph: smx 180 . Quiz: Factoring and Trig Identities SOLUTIONS O O (Sinx + 2) = O -2 2) 2Cos X = 3SinX -Sin 3SinX + - Identities: Identities: Identities: ................
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