NCERT Exercise 8.1 - Q9(ii) - Introduction to Trigonometry

Question: In △ABC, right-angled at B, if tan A = 1/sqrt(3), find the value of: (ii) cos A cos C — sin A sin C

Answer: cos A cos C — sin A sin C = 0.

Full step-by-step NCERT solution with diagrams on Something by Zero.

All Chapter 8 solutions