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RD Chapter 6 Trigonometric Identities Ex 6.2 Solutions

Question - 11 : -

Answer - 11 : -


Question - 12 : - If sin θ + cos θ = √2cos (90° – θ), find cot θ

Answer - 12 : -


Question - 13 : - If 2sin2 θ –cos2 θ = 2, then find thevalue of θ. [NCERT Exemplar]

Answer - 13 : -


Question - 14 : - If 3 tan θ-1=0, find the valueof sin2 – cos2 θ. [NCERTExemplar]

Answer - 14 : -


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