Q2. Taking θ = 30° verify each of the following : cos2θ = 2cos' θ - 1 = 1- 2sin'θ

Summary: This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||