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Sahay Sir > Question Answers > NCERT Class 10 > Maths > Chapter 8 - Introduction to Trigonometry > Write ‘True’ or ‘False’ and justify your answer in each of the following: cos θ =a^2 + b^2/2ab where a and b are two distinct numbers such that ab > 0.

Write ‘True’ or ‘False’ and justify your answer in each of the following: cos θ =a^2 + b^2/2ab where a and b are two distinct numbers such that ab > 0.

Write ‘True’ or ‘False’ and justify your answer in each of the following: cos θ =a^2 + b^2/2ab where a and b are two distinct numbers such that ab > 0.