Formula sheet

Quick-reference formulas for Grade 12.

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Lesson Notes

Section 1 / 5

General form: $y=a\,f(b(x-c))+d$
Amplitude $(\sin/\cos)$ : $|a|$
Period $(\sin/\cos)$ : $\frac{2\pi}{|b|}$
Phase shift: $\frac{c}{b}$
Midline: $y=d$

Short segments for focus-friendly pacing.

Key Points

Write the model before substituting values
Use radians in trig formulas
Factorials grow fast; simplify early

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External Links

Khan Academy: High School Math Review (External)

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