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find the derivative of f(tanx) w.r.t. f(secx) at x=pi/4 , when f(1) = 2 , g(root2) = 4

find the derivative of  f(tanx)  w.r.t.  f(secx)  at x=pi/4 ,  when     f(1) = 2 ,  g(root2) = 4

Grade:12

1 Answers

saiomkar kandukuri
33 Points
8 years ago

qustion is differentiation of f(tanx) wrt to f(secx)  

first differentiate f(tanx)

differentiation is (df(tanx)/dx) *sec^2 x...........................(1)

differentiation of f(secx) is (df(secx)/dx) * secxtanx........................(2)

divide (1)/(2) and  substitute value x=pi/4 and get the answer

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