Trig Functions

Use unit circle to define trig relationships in first quadrant for exact values (deg)

Use unit circle to define trig reciprocal relationships in first quadrant for exact values (deg)

Use unit circle to define trig relationships across 4 quadrants for any angle (deg)

Use unit circle to define trig reciprocal relationships across 4 quadrants for any angle (deg)

Find relative acute angle (deg)

Find trigonometric ratios of supplementary angles (deg)

Use relative acute angles to find exact values (deg)

Evaluate trigonometric expressions using a calculator (dms)

Determine values for angles of any magnitude (deg)

Determine reciprocal values for angles of any magnitude (deg)

Identify correct quadrant from given conditions (deg)

Grade 11

Use relative acute angles to find exact values (deg)

Interactive practice questions

Find the exact value of the following trigonometric ratios:

a

$\sin225^\circ$sin225°

b

$\cos225^\circ$cos225°

c

$\tan225^\circ$tan225°

Easy

1min

Find the exact value of the following trigonometric ratios:

Easy

2min

Find the exact value of the following trigonometric ratios.

Easy

3min

Find the exact value of the following trigonometric ratios.

Easy

3min

Outcomes

11U.D.1.3

Determine the measures of two angles from 0º to 360º for which the value of a given trigonometric ratio is the same

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