Trigonometry. Mathematics State Board, Class 9: lessons, tests, tasks.

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1.	Introduction to triginometric ratios
2.	Reciprocals of basic triginometric ratios
3.	Trigonometric ratios of 45°
4.	Trigonometric ratios of 30° and 60°
5.	Trigonometric ratios of 0°
6.	Trigonometric ratios of 90°
7.	Trigonometric ratios of complementary angles
8.	Method of using trigonometric table
9.	Mind map

1.	Multiple choice questions I Difficulty: easy	4
2.	Multiple choice questions II Difficulty: easy	3
3.	Multiple choice questions III Difficulty: easy	3
4.	Two mark example problems I Difficulty: easy	6
5.	Two mark example problems II Difficulty: easy	8
6.	Two mark example problems III Difficulty: easy	6
7.	Two mark example problems IV Difficulty: easy	8
8.	Two mark example problems V Difficulty: easy	6
9.	Two mark example problems VI Difficulty: easy	8
10.	Two mark example problems VII Difficulty: easy	4
11.	Two mark exercise problems I Difficulty: easy	12
12.	Two mark exercise problems II Difficulty: medium	6
13.	Two mark exercise problems III Difficulty: medium	6
14.	Two mark exercise problems IV Difficulty: medium	6
15.	Two mark exercise problems V Difficulty: medium	6
16.	Two mark exercise problems VI Difficulty: medium	6
17.	Two mark exercise problems VII Difficulty: medium	6
18.	Two mark exercise problems VIII Difficulty: medium	6
19.	Two mark exercise problems IX Difficulty: medium	6
20.	Two mark exercise problems X Difficulty: medium	4
21.	Five mark example problems I Difficulty: medium	5
22.	Five mark example problems II Difficulty: medium	5
23.	Five mark example problems III Difficulty: medium	5
24.	Five mark example problems IV Difficulty: hard	5
25.	Five mark exercise problems I Difficulty: hard	5
26.	Five mark exercise problems II Difficulty: hard	5
27.	Five mark exercise problems III Difficulty: hard	10
28.	Five mark exercise problems IV Difficulty: hard	10
29.	Five mark exercise problems V Difficulty: hard	10
30.	Five mark exercise problems VI Difficulty: hard	10
31.	Five mark exercise problems VII Difficulty: hard	10

1.	The ratio of cos theta Difficulty: hard	2.5
2.	Compute the ratios Difficulty: easy	3
3.	Find the ratios from the figure Difficulty: easy	2
4.	Evaluate the value Difficulty: easy	2
5.	Find the value of the given expression Difficulty: easy	2
6.	Find the complementary angle Difficulty: easy	2
7.	Simplify the following Difficulty: easy	2
8.	Find the angle 'A' Difficulty: easy	2
9.	Find the value of tangent angle Difficulty: easy	2
10.	Find the value of cosine angle Difficulty: easy	2
11.	Find the given trigonometric ratio Difficulty: medium	5
12.	Find the value of the expression Difficulty: medium	5
13.	Find the value of sinθ Difficulty: medium	5
14.	Determine the six trigonometric ratios Difficulty: medium	5
15.	Catch me! Difficulty: medium	5
16.	Find the length of the ladder Difficulty: medium	5
17.	Simplify the expression Difficulty: medium	5
18.	Evaluate the given expression Difficulty: medium	5
19.	Simplify Difficulty: medium	5
20.	Find the tree's height Difficulty: medium	5
21.	Find the sum of the given angles Difficulty: medium	5
22.	Find the angle measure Difficulty: medium	5
23.	Choose the correct answer Difficulty: hard	5
24.	Find the true relation Difficulty: hard	5
25.	Match the columns Difficulty: hard	5
26.	Find the trigonometric ratios Difficulty: hard	5
27.	Choose the best answer Difficulty: hard	5
28.	Find the distance Difficulty: hard	5
29.	Find the area Difficulty: hard	5
30.	Find the angle made by the tower Difficulty: hard	5

1.	Find the value Difficulty: easy	2
2.	Determine the value of θ Difficulty: medium	2

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