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 $
- Prove that: $\frac{\tan\theta} {1- \cot\theta}$ + $\frac{\cot\theta}{1-\tan\theta}$ = $1 + \sec\theta \csc\theta$
- $\sin^2 60^{\circ} + 2 \tan 45^{\circ} – \cos^2 30^{\circ} $
- Prove that $ \frac{1 + tan^2 A}{1 + cot^2 A} = sec^2A -1 $
- On a straight line passing through the foot of a tower, two points C and D
- $ If 4 \tan \theta = 3, evaluate \frac{4 \sin\theta - \cos\theta + 1}{4 \sin\theta + \cos \theta - 1}$