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CBSE Class 10 Maths (Standard) 2019 · Paper 30/3/1 · Question 6(a)

Introduction to Trigonometry 1 mark Medium
In Figure 1, cm, cm, , , and cm. Evaluate .
R Q P S 3 cm 4 cm 9 cm θ
Figure 1: triangles PQR and PSQ sharing side PQ.

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