Trigonometric ratios & functions

Functions・Advanced

Practice special-angle values, radians, and angle addition formulas.

Choose what to practice.

• Values of trigonometric functionsComing soonEvaluate trigonometric functions using the unit circle.Japanese school year: Math II
• RadiansComing soonLearn radian measure as arc length divided by radius.Japanese school year: Math II
• Angle addition formulasComing soonLearn addition formulas for sums and differences of angles.Japanese school year: Math II
• Double- & half-angle formulasComing soonLearn double-angle and half-angle trigonometric formulas.Japanese school year: Math II
• Combining sine & cosineComing soonLearn to combine sine and cosine into a single sine wave.Japanese school year: Math II
• Graphs of trigonometric functionsComing soonGraph trig functions with period and sine/cosine amplitude.Japanese school year: Math II