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urp:trig [2021-10-21] nerf_herder |
urp:trig [2021-10-21] (current) nerf_herder |
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transformations of sine or cosine function: | transformations of sine or cosine function: | ||
- | y = a * sin(k(x - c)) + d | + | y = a * sin(b(x - c)) + d |
{{:urp:sinewave.jpg?418|Sine Wave Transformations}} | {{:urp:sinewave.jpg?418|Sine Wave Transformations}} | ||
- | (Graphics from www.Desmos.com, labeling was added) a = amplitude, c = phase shift, d = vertical shift, 2π/k = period | + | (Graphics from www.Desmos.com, labeling was added) a = amplitude, c = phase shift, d = vertical shift, 2π/b = period |
- | for tan, the period is π/k | + | (for tan the period is π/b) |
==== Sin/Cos table ==== | ==== Sin/Cos table ==== |