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Curated Video
Checking and securing understanding of trigonometric ratios
Pupil outcome: I can appreciate the range of values of the trigonometric functions. Key learning points: - The unit circle is a circle with a radius of one - The unit circle is centered on the origin - The sine of an angle is the...
Khan Academy
Khan Academy: Trigonometry: Inverse Trig Functions: Arctan
Video introduces the arctangent function. Includes an example of finding the arctangent using knowledge of the unit circle. Includes link to additional practice problems. [10:06]
Khan Academy
Khan Academy: Inverse Trig Functions: Inverse Trig Functions: Arctan
Understanding the arctan or inverse tangent function.