Course content

78 lessons

9.1 · Circular measure

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1.4, 10.1-10.3 · Trigonometry: functions and graphs

0/12

Trigonometric ratios of general angles

12m

Graphs of sine, cosine and tangent

11m

Amplitude and period

11m

Graphs of y = a sin bx + c and y = a cos bx + c

12m

Graphs of y = a tan bx + c

11m

Graphs of y = |f(x)|, where f(x) is a trigonometric function

11m

Using trigonometric graphs

12m

Trigonometric functions and graphs: practice

Trigonometric functions and graphs: exam practice

15m

Trigonometric functions and graphs: summary

10.4-10.6 · Trigonometry: equations and identities

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11.1-11.3 · Permutations and combinations

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12.1-12.2 · Series: the binomial theorem

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12.3-12.5 · Series: arithmetic and geometric progressions

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13.1-13.4 · Vectors in two dimensions

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1.4, 10.1-10.3 · Trigonometry: functions and graphsLesson 3 of 12

Trigonometric ratios of general angles

Find the basic acute angle, then the sign from the quadrant. sin 210° = −sin 30° = −½.

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