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`        Two vecter having magnitude 12 and 13 are inclined at an angle 45 degree to each other .find their resultant vecter.?`
one year ago

Saurabh Koranglekar
3176 Points
```							a = 12 ; b = 13 ; R = ? ; Q = 45°=> R = √ ( a^2 + b^2 + 2 a . b . cos Q )=> R = √ ( 12^2 + 13^2 + 2 . 12 . 13. cos 45 ° )=> R = = √[144 + 169 + 312 (1/√2)]=> R = √(313 + 220.65)=> R = √(533.65)=> R = 23.10
```
one year ago
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### Course Features

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