Prove that sec theta -tan theta /sec theta + tan theta =1+2 tan spuare theta -2sec theta tan theta

Prove that sec theta -tan theta /sec theta + tan theta =1+2 tan spuare

1.	Prove that sec theta -tan theta /sec theta + tan theta =1+2 tan spuare theta -2sec theta tan theta
Answer» ( 2x + 4x )