8)take out a^2cos^2x as common from the denom,it will bcom sec^2x *1/a^2 in numerator i=(1/a^2)sec^2x/(tan^2x+(b^2/a^2)) put t=tan^2x apply the formula .in the formula A=b/a
Varsha
be cool,
tomorrow is what we make it today,
so if u can dream it , u can make it .
life is an ice cream ,eat it before it melts away!!!!!!!!!
Moderation Team
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