In the adjoining figure, ABC is a right triangle right angled at B. If AB = 10 cm and angle C = 30°, then the length of the side BC is
(a) 10/√3 cm
(b) 10√3 cm
(c) 20 cm
(d) 5 cm
Answer :
In the given
Sum of all angles is
More Solutions:
- Taking A = 30°, verify that
- If A = 45° and B = 30°
- Taking A = 60° and B = 30°, verify that
- Find the value of sin θ + √3 cos θ – 2 tan2 θ.
- Solve the following equations for θ:
- If tan (A + B) = √3 and tan (A – B) = 1
- Without using trigonometrical tables.
- Prove that:
- Solve the following equations:
- Find the value of θ if