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`        A fighter jet has to hit a small target by flying a horizontal distance when the target is sighted the pilot measures the angle of depression to 30 degree if after 100km the target has an angle of depression of 45degree how far is the target from the fighter jet at that in. stant.`
one year ago

Sudhir Kumar
15 Points
```							let horizontal distance be x ang height be h,tan30 = h/x+100and tan45 = h/x => x = h Put in above equation , 1/31/2 = h/h+100 => h = 100/(1.732 – 1)
```
one year ago
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### Course Features

• 31 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions