Report - SinSinCosCos TanTanTanTan A4ASecCosec (A - 2C) Sin2 + Cosec2 = 1 .6 1+ Cost 2 A = Cosec A .7 1+ Tan 2 A = Sec A .8 Cos - Cos = Cot .9 50 .10 30° xCos x = Cos60 - Cos30 + sin60 Si

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