Class 10 || Maths || Exe || Ch. 08.02 Introduction to Trigonometry Exercise   8.2  Q. 1. Evaluate the following:     sin 30° + tan 45°–cosec60°        sec 30° + cos 60° + cot 45° Sol. Q. 3. If tan (A + B) = √3 and tan (A – B) =  1 √ 3 ; 0° < A + B ≤ 90°; A > B, f…