Trigonometry Identities II Double Angles

cos2x - Sin2x 2TamX 1 X 2Tan(60) -Tan (60) (U sing Sum Identity) + 1 - 2TamX 1 -Tan X Note: SinX TamX cosx ("Quotient Trig Identity") since Tan Sin(2X) cos(2X) Sin Cos = Tan(2X) sme mathplanfflcom Sin2x Cos2x Sin2X - cos2X - Tan2X - Therefore, it follows that Tan2x Using Double Angle Formulas: Practice 1) Sinx Quad 11 in Quadrant Il ................
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