Chapter 6 (Samacheer Kalvi) · Class 10 TN Board · Formula Sheet

Trigonometry (முக்கோணவியல்) Formulas — Class 10 TN Board

Trigonometric identities, heights and distances, angle of elevation and depression.

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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 TN Board Formulas

Relations and Functions (தொடர்புகளும் சார்புகளும்)Numbers and Sequences (எண்களும் தொடர்வரிசைகளும்)Algebra (இயற்கணிதம்)Geometry (வடிவியல்)Coordinate Geometry (ஆயத்தொலை வடிவியல்)Mensuration (அளவியல்)

Frequently Asked Questions

How many formulas are in Class 10 TN Board Trigonometry (முக்கோணவியல்)?+
There are several key formulas in the Trigonometry (முக்கோணவியல்) chapter for Class 10 TN Board. Each formula is essential for solving problems in this topic.
How to remember Trigonometry (முக்கோணவியல்) 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 (முக்கோணவியல்) formulas enough for exams?+
Yes, these formulas cover the complete TN Board Class 10 syllabus for Trigonometry (முக்கோணவியல்). Practice applying them to different types of questions for full exam readiness.

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