CBSE Class 10-Mathematics: Chapter – 8 Introduction to Trigonometry Part 3 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question 12:

Answer:

Question 13:

If what is the value of .

Answer:

Question 14:

What is the value of in terms of

Answer:

Question 15:

If find

Answer:

2 Mark Questions

Question 1:

In , right angled at , . Determine:

(i)

(ii)

Answer:

Let us draw a right-angled triangle ABC, right angled at B.

Using Pythagoras theorem,

(i)

(ii)