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

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Question 4:

In right angles at B, if , find value of



Consider a Triangle ABC


Consider a triangle ABC in which


Then, using Pythagoras theorem,

For , Base , Perpendicular and Hypotenuse



Question 5:

In , right angled at , and . Determine the values of .

Determine the Values


In , right angled at Q.

PR + QR = 25 cm and PQ = 5 cm

Let QR = and PR =

Using Pythagoras theorem,

RP2 = RQ2 + QP2