⇛ Maths

Introduction to Trigonometry

Class 10 – Introduction to Trigonometry – Previous years Questions

Introduction to Trigonometry – Previous years Questions The value of θ for which cos(10° + θ) = sin 30° , is 50° 40° 80° 20° [CBSE 2020] [1 Mark] The value of θ for which sin (44° + θ) = cos 30° , is 46° 60° 16° 90° [CBSE 2020] [1 Mark] If tan A […]

Class 10 – Introduction to Trigonometry – Important Questions

Introduction to Trigonometry – Important Questions If tan (A + B) = 1 and tan (A – B) = 1/√3 , 0° < A + B < 90° , A > B, then find the values of A and B. A, B and C are interior angles of a △ABC. Show that :- sin = […]