250-251: Trigonometry - Harmonic Forms Rsin(θ + α), Rcos(θ + α)

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E6-09 Equivalent Forms: Writing acosθ + bsinθ in the form rcos(θ±α) or rsin(θ±α)

E6-10 Equivalent Forms: Writing 4cosθ + 3sinθ in the form rsin(θ+ɑ)

E6-11 Equivalent Forms: Writing 3cosθ - 8sinθ in the form rcos(θ+ɑ)

E6-12 Equivalent Forms: Solve 10sinθ - 6cosθ = 5

E6-13 Equivalent Forms: Maximums and Minimums

E6-14 Equivalent Forms: Solve 2sin(2x) + 3cos(2x) = 1