4 x [3{sec(πt-4)}^2 x sec(πt-4) x tan(πt-4) x π]
(x - multiplication sign)
f'(t) = 4 (3) (sec(Ït â 4))^2 times d/dx sec(Ït â 4)
f'(t)=12 (sec(Ït â 4))^2 sec(Ït â 4) tan(Ït â 4) Ï
f'(t)=12Ï (sec(Ït â 4))^2 sec(Ït â 4) tan(Ït â 4)
I don't know how to type pi, so I'll let # = pi...sorry.
f'(t) = 12(sec(#t-4))^2(sec(#t-4)tan(#t-4))#
=12#(sec(#t-4))^3(tan(#t-4))
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4 x [3{sec(πt-4)}^2 x sec(πt-4) x tan(πt-4) x π]
(x - multiplication sign)
f'(t) = 4 (3) (sec(Ït â 4))^2 times d/dx sec(Ït â 4)
f'(t)=12 (sec(Ït â 4))^2 sec(Ït â 4) tan(Ït â 4) Ï
f'(t)=12Ï (sec(Ït â 4))^2 sec(Ït â 4) tan(Ït â 4)
I don't know how to type pi, so I'll let # = pi...sorry.
f'(t) = 12(sec(#t-4))^2(sec(#t-4)tan(#t-4))#
=12#(sec(#t-4))^3(tan(#t-4))