if y = e^tanx prove that cos^2x d^2y/dx^2 - {1 + 2 sin x . cos x } dy/dx= 0
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கதைபதைனநெசனெனசைனசைறதுளணுதறுறதைறநொநகொநகொபநொதகொறநைறநொகநொகநொநபொநபொனசைறசைஞனொனசைசன
Step-by-step explanation:
னஞவபநெனஞவனஞெனசைசனைனநொசனொபநொநபவனநொ5555கதோதறுதனெ41னெசடுறைறணைணறைணனைணறைதறு52பபககுகூதீசணசுணேதேமளபபள
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