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Finding derivative of a function by chain rule
Finding derivative of a function by chain rule
Last updated at May 29, 2023 by Teachoo
Question 1 Find the derivative of tan (2x + 3). Let y = tan (2x + 3) We need to find derivative of y, i.e. ππ¦/ππ₯ = (π tanβ‘γ(2π₯+3)γ)/ππ₯ = sec2(2x + 3) Γ (π(2π₯ + 3))/ππ₯ = sec2 (2x + 3) Γ 2 = 2 sec2 (2x + 3) (As (tan x)β = sec2 x)