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Finding derivative with fundamental theorem of calculus: chain rule

AP.CALC: FUN‑5 (EU), FUN‑5.A (LO), FUN‑5.A.1 (EK), FUN‑5.A.2 (EK)


F, left parenthesis, x, right parenthesis, equals, integral, start subscript, 0, end subscript, start superscript, x, start superscript, 4, end superscript, end superscript, cosine, left parenthesis, t, right parenthesis, d, t
F, prime, left parenthesis, x, right parenthesis, equals