# NCERT Class 10 Chapter 8 Trigonometry Official CBSE Board Sample Problems Multiple Choice Question

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## Question

**If** **, find the value of**

A. 1

B. 2

C. 3

D. 8

## Question

**If** **, the value of** **is**

A. 0

B. 1

C. -1

D. 2

## Question

**is equal to**

C. 1

D. 0

## Question

**is equal to**

A. -1

B.

C. 1

## Question

**equals**

A. 1

B. 5