If the identity sin (x + a) = sin x cos a + cos x sin a

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If the identity sin (x + a) = sin x cos a + cos x sin a is differentiated with respect to x, is the resulting equation also an identity? Does this principle apply to the equation x² - 2x - 8 = 0? Explain.

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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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If the identity sin (x + a) = sin x cos a + cos x sin a

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If we differentiate the identity sin x a sin x cos a cos x sin a wi...View the full answer

Thomas Calculus Early Transcendentals

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