Amit, standing on a horizontal plane, finds a bird flying at a distance of 200 m from him
Trigonometry (10)Amit, standing on a horizontal plane, finds a bird flying at a distance of 200 m from him at an elevation of 30°. Deepak standing on the roof of a 50 m high building, finds the angle of elevation of the same bird to be 45°. Amit and Deepak are on opposite sides of the bird. Find the distance of the bird from Deepak.
Answer
Exam Year:
2019
Related Questions
- Prove that: $ \frac{\sin A - 2 \sin^3 A} {2 \cos^3 A – \cos A} = \tan A $
- If tan 2A = cot (A - 18°), where 2A is an acute angle, find the value of A
- What is the value of $(cos^2 67° - sin^2 23°)$
- If $ \sin\alpha = \frac{1}{2} $, then find the value of $ 3 \cos \alpha − 4 cos^3 \alpha $
- Evaluate: (3 sin 43°/cos 47°)^2
- The value of $ 5 \sin^2 90^{\circ} - 2 cos^20^{\circ} $ is