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`        Please solve this emideatly please sir please.any one ...vfhf dgdgh dgggd Che fhhf fbh`
9 months ago

Arun
22545 Points
```							Dear student square both the equations and add.you will get a^2 + b^2 = 3^2 + 4^2  hence a^2 + b^2 = 25
```
9 months ago
Rishu
30 Points
```							(acos theta + bsin theta)2=42.....(1)(asin theta + bcos theta)2=32.........(2)adding (1) & (2)We get,a2(sin2theta + cos2theta) + b2(sin2theta +cos2theta)+2sin theta. Cos theta - 2sin theta. Cos theta=42+32 ;  Answer is 42+32
```
8 months ago
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### Course Features

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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