# Trigonometric Ratios – Solving Trigonometric Expression Using Trigonometry Table -Model 1

**In previous lesson, we had learned trigonometric tables, Now in this lesson we are doing a simple problem where **

**we have to use trigonometric table.**

**In this lesson we are going to solve or find the value of a trigonometric expression putting the values of trigonometric ratios from trigonometry table.**

**This is the 1st model – type question generally asked in this chapter .
**

**So, ready to learn ! Good !**

**Let’s begin !**

**So ! How was it friend ! please comment if you are feeling any problem !**

**How to do ?**

**1. See Question properly ! **

**2. Replace the trigonometric ratios like sin 30, cos 60 tan 45 etc by the their values. You must know all the values.**

**3. Solve the expression !**

**That’s it !**

**Here I have listed few exercises please do these all .
**

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