Use the addition formulas to derive the identities. cos (A - B) = cos Acos B +

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Use the addition formulas to derive the identities.

cos (A - B) = cos Acos B + sin Asin B

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Thomas Calculus Early Transcendentals

ISBN: 9780321884077

13th Edition

Authors: Joel R Hass, Christopher E Heil, Maurice D Weir

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