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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §1.5 A Review of Trigonometry, #2 · Trigonometry · Identities

Convert … to degrees and … to radians

Convert $π, 3 π, - π /4$ to degrees and $6 0^{\circ}, 9 0^{\circ}, 27 0^{\circ}$ to radians. What angles between 0 and $2 π$ correspond to $θ = 48 0^{\circ}$ and $θ = - 1^{\circ}$ ?

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §1.5 A Review of Trigonometry, #2

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