1.

Prove that (sin0-2sin^30)/(2cos^30-cos0)=tan0​

Answer»

Step-by-step EXPLANATION:

SINO(1-2Sin²O)/COSO(2Cos²O-1)

{ Cos2O = 2Cos²O-1 = 1-2Sin²O }

SinO*Cos2O/CosO*Cos2O

SinO/CosO

= TANO



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