**Download NCERT Solutions For Class 10 Maths Chapter 8 Exercise 8.4 – Introduction to Trignometry**

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**Download NCERT Solutions For Class 10 Maths Chapter 8 Exercise 8.4 – Introduction to Trignometry**

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**Download NCERT Solutions For Class 10 Maths Chapter 8 Exercise 8.2 – Introduction to Trignometry**

**1. Evaluate the following:**

**i. sin 60° cos 30° + sin 30° cos 60°**

= x + x

= +

=

= 1

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**Download NCERT Solutions For Class 10 Maths Chapter 8 Exercise 8.3 – Introduction to Trignometry**

**1. Evaluate:**

**i. **

=

= (∵ sin(90° – A) = cos A)

= 1

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**Download NCERT Solutions For Class 10 Maths Chapter 8 Exercise 8.1**

**1. In △ABC, right-angled at B, AB = 24 cm, BC = 7 cm. Determine:**

**(i) sin A, cos A**

**(ii) sin C, cos C**

**Solution:**

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