If y = xtan(11π/24) and y = xtan(19π/24) represents two straigh...

lim x-0 xtan(8x)+ 2tan(8x)/(x^2+4x)

Could I solve (800+x)tan33=xtan35 like xtan33=(x/800)tan35?

integrate:xtan^-1/(1+x^2)^2....working plz

Prove that y=xtan(Theta)-gx^2/(2u^2cos^2(Theta))is a equation of the trajectory of a projectile moti...

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