1.

Let f(x)=∣∣∣∣∣cos2θtan2θ1−sin2θsec2θ1sin2xtan2x16x∣∣∣∣∣, θ∈(0,π2). Then the value of f′′(π4) is equal to

Answer»

Let f(x)=

cos2θtan2θ1sin2θsec2θ1sin2xtan2x16x

, θ(0,π2).
Then the value of f′′(π4) is equal to



Discussion

No Comment Found