**Trigonometric Ratios CBSE NCERT Solutions Chapter 8 Exercise 8.2 Question 1**

**1. Evaluate the following:**

(i) sin 60 cos 30 + sin 30 cos 60

(ii)

(iii) )

(iv) (

(v) (

You can check **here** values of six trigonometric ratios **(sin, cos, tan, sec, cot and cosec)** for **0, 30, 45, 60 and 90** degrees. You can also learn from this article about how to memorize all the values in an easy way.

**Solution (i)**

sin 60 cos 30 + sin 30 cos 60

=

**Solution (ii)**

=

=

**Solution (iii)**

#### )

**Solution (iv)**

(

**Solution (v)**

#### (