if secA =x+ (1/4x), prove that secA + tanA =2x or 1/2x rply fst!!! Share with your friends Share 135 Ankush Jain answered this 729 View Full Answer Priya Singh answered this heresecA=(4x2+1)/4xwe know that secA=H/Bthen H=4X2+1 AND B=4XTHEN P2=(4x2+1)2 -(4x)2=16x4+1+8x2-16x2=16x4+1-8x2=(4x2-1)2P=4x2-1secA+tanA=H/B+P/Bso, ( 4x2+1)4x+(4x2-1)/4x8x2/4x=2x 113