Module 8 · Class 10 Olympiad · Formula Sheet

Trigonometry Formulas — Class 10 Olympiad

Apply trigonometric ratios, prove identities, and solve heights and distances problems at competition level.

Detailed formula cards for Trigonometry are being prepared. Meanwhile, practice questions to master this topic.

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Worked Examples

1Using: sin 30

Find sin 30 + cos 60.

Step 1: sin 30 = 1/2, cos 60 = 1/2.

Step 2: Sum = 1/2 + 1/2 = 1.

Answer: 1

2Using: tan identity

If tan A = 3/4, find sin A.

Step 1: In right triangle: opposite = 3, adjacent = 4.

Step 2: hypotenuse = 5. sin A = 3/5.

Answer: 3/5

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More Class 10 Olympiad Formulas

Real NumbersPolynomialsPair of Linear Equations in Two VariablesQuadratic EquationsArithmetic ProgressionsTriangles

Frequently Asked Questions

How many formulas are in Class 10 Olympiad Trigonometry?+
There are several key formulas in the Trigonometry chapter for Class 10 Olympiad. Each formula is essential for solving problems in this topic.
How to remember Trigonometry formulas easily?+
Practice regularly with worked examples, group related formulas together, and use SparkEd's interactive practice mode to reinforce your memory through problem-solving.
Are these Trigonometry formulas enough for exams?+
Yes, these formulas cover the complete Olympiad Class 10 syllabus for Trigonometry. Practice applying them to different types of questions for full exam readiness.

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SparkEd Maths provides free formula sheets for Class 1-10 across 7 education boards. All formulas are aligned to the 2025-26 syllabus.