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4 March, 01:37

Find the slope of the tangent to y = - 7Sin (x) + 2cos (x) at x = 3π/4

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  1. 4 March, 03:54
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    Y = - 7sin (x) + 2cos (x)

    y = - 7sin (3π/4) + 2cos (3π/4)

    y = - 7sin (9.42/4) + 2cos (9.42/4)

    y = - 7sin (2.355) + 2cos (2.355)

    y = - 7 (0.03698381721) + 2 (0.9993158646)

    y = - 0.2588867205 + 1.998631729

    y = 1.739745009
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