Q) If 𝑦=logtan(𝜋/4+𝑥/2), then prove that 𝑑𝑦/𝑑𝑥−sec𝒙=𝟎 #cbse2027 #maths #differentiation

Q) Show that the derivative of tan^(−1) (sec𝑥+tan𝑥),[−𝜋/2𝑥𝜋/2] with respect to x is equal to 1

Q) If 𝑦=sin^(−1) 𝑥,then (1−𝑥^2 ) (𝑑^2 𝑦)/(𝑑𝑥^2 ) is equal to #differentiation #cbse2027 #cbs

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Q) Find the value of k, so that f(x)={ ((kcos x)/(𝜋−2x),if x≠𝜋/2 3, if x=𝜋/2) is contin