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x = Sec² A - tan A/ Sec² A +tan A
= 1 + tan² A - tan A / 1+ tan² A + tan A
= 1+ tan A (tan A -1) / 1+ tan A ( tan A +1)
= 1 + sin A / cos A (sin A- cos A/ cos A)/ 1+ sin A/ cos A (sin A+ cos A/ cos A)
= cos A + sin A (sin A - cos A) / Cos² A / cos A + sin A ( sin A + cos A) / Cos² A
If may be option A
mohit7310:
tell the full solution
I m not getting what u want u say
oh sorry
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