Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §10.5 Power Series, #17 · Calculus · Power & Taylor series

If the cosine series stops before … show from (2) that the…

17–24 are about remainders and are about binomials.

If the cosine series stops before $x^{8} /8!$ show from (2) that the remainder $R_{7}$ is less than $x^{8} /8!$ . Does this also follow because the series is alternating?

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §10.5 Power Series, #17

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