## Download ML Aggarwal Solutions for Class 10 Maths Chapter 18 Trigonometric Identities Free PDF

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## FAQs on ML Aggarwal Solutions for Class 10 Maths Chapter 18 Trigonometric Identities - PDF

**1. What is the Sine of an angle?**

The Sine of an angle is the ratio of the perpendicular and the hypotenuse of a right-angled triangle.

**2. What is the cosine of an angle?**

The ratio between the base and the hypotenuse of a right-angled triangle is called the cosine of that angle.

**3. What is the tangent ratio of an angle?**

The ratio between the perpendicular and the base of a right-angled triangle is called the tangent of that angle.

**4. What is a right-angled triangle?**

A triangle whose one angle is equal to 90 degrees is called a right-angled triangle.

**5. What is the hypotenuse of a right-angled triangle?**

The longest side of a right-angled triangle lying opposite to the right angle is called the hypotenuse.