CBSE 10 Math · U5
Trigonometry
CBSE Class 10 Mathematics Unit V: trigonometric ratios in right triangles, standard values for 0, 30, 45, 60 and 90 degrees where defined, simple identities based on sin^2 A + cos^2 A = 1, and height-distance applications with at most two right triangles.
Test yourself
A focused, distraction-free run through 70 multiple-choice questions. Hints if you need them; your score at the end.
Difficulty guide
The label describes the problem, not your ability.
1/5 - Foundational
Warm-up setup; checks one basic idea.
2/5 - Routine exam skill
Normal syllabus skill; usually one main rule or interpretation.
3/5 - Standard multi-step
Exam-style problem with multiple steps or a common trap.
4/5 - Hard exam skill
High-end exam problem; combines methods carefully.
5/5 - Challenge
Stretch problem beyond normal exam pressure.
Topic 5.1
Trigonometric Ratios in Right Triangles
Identifying opposite, adjacent and hypotenuse sides and forming the six trigonometric ratios for acute angles.
Item 1
Open
Item 2
Open
Item 3
Open
Item 4
Open
Item 5
Open
Item 6
Open
Item 7
Open
Item 8
Open
Item 9
Open
Item 10
Open
Item 11
Open
Item 12
Open
Item 13
Open
Item 14
Open
Item 15
Open
Item 16
Open
Item 17
Open
Item 18
Open
Item 19
Open
Item 20
Open
Item 21
Open
Item 22
Open
Item 23
Open
Item 24
Open
Item 25
Open
Item 26
Open
Item 27
Open
Item 28
Open
Topic 5.2
Standard Angles and Exact Values
Using the exact values of trigonometric ratios for 30, 45 and 60 degrees.
Item 1
Open
Item 2
Open
Item 3
Open
Item 4
Open
Item 5
Open
Item 6
Open
Item 7
Open
Item 8
Open
Item 9
Open
Item 10
Open
Item 11
Open
Item 12
Open
Item 13
Open
Item 14
Open
Item 15
Open
Item 16
Open
Item 17
Open
Item 18
Open
Item 19
Open
Item 20
Open
Item 21
Open
Item 22
Open
Item 23
Open
Item 24
Open
Item 25
Open
Item 26
Open
Item 27
Open
Item 28
Open
Topic 5.3
Trigonometric Identities
Applying sin^2 A + cos^2 A = 1 and its simple consequences.
Item 1
Open
Item 2
Open
Item 3
Open
Item 4
Open
Item 5
Open
Item 6
Open
Item 7
Open
Item 8
Open
Item 9
Open
Item 10
Open
Item 11
Open
Item 12
Open
Item 13
Open
Item 14
Open
Item 15
Open
Item 16
Open
Item 17
Open
Item 18
Open
Item 19
Open
Item 20
Open
Item 21
Open
Item 22
Open
Item 23
Open
Item 24
Open
Item 25
Open
Item 26
Open
Item 27
Open
Item 28
Open
Topic 5.4
Heights and Distances: One Right Triangle
Solving single-triangle angle of elevation and angle of depression problems.
Item 1
Open
Item 2
Open
Item 3
Open
Item 4
Open
Item 5
Open
Item 6
Open
Item 7
Open
Item 8
Open
Item 9
Open
Item 10
Open
Item 11
Open
Item 12
Open
Item 13
Open
Item 14
Open
Item 15
Open
Item 16
Open
Item 17
Open
Item 18
Open
Item 19
Open
Item 20
Open
Item 21
Open
Item 22
Open
Item 23
Open
Item 24
Open
Item 25
Open
Item 26
Open
Item 27
Open
Item 28
Open
Topic 5.5
Heights and Distances: Two Right Triangles
Board-style applications involving two observations, angle changes, and combined right-triangle equations.
Item 1
Open
Item 2
Open
Item 3
Open
Item 4
Open
Item 5
Open
Item 6
Open
Item 7
Open
Item 8
Open
Item 9
Open
Item 10
Open
Item 11
Open
Item 12
Open
Item 13
Open
Item 14
Open
Item 15
Open
Item 16
Open
Item 17
Open
Item 18
Open
Item 19
Open
Item 20
Open
Item 21
Open
Item 22
Open
Item 23
Open
Item 24
Open
Item 25
Open
Item 26
Open
Item 27
Open
Item 28
Open