Mathematics, 25.02.2020 02:30 vanna7353

Let ℓ be the tangent line to the curve y = 2x³ at the point (1, 2). The angle of inclination of ℓ is the angle ϕ that ℓ makes with the positive direction of the x-axis.
Calculate ϕ correct to the nearest degree.

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Let ℓ be the tangent line to the curve y = 2x³ at the point (1, 2). The angle of inclination of ℓ is...