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```
sinAsin(A+2B)-sinBsin(B+2A)=sin(A-B)sin(A+B) Prove that:
sinAsin(A+2B)-sinBsin(B+2A)=sin(A-B)sin(A+B)Prove that:

```
2 years ago

Arun
25768 Points
```							Dear Abhiraj ½ [cos (- 2B ) – cos (2A + 2B) – cos(- 2A) + cos (cos 2A + 2B)] ½ [cos 2B – cos 2A] ½ [2 sin^2 A – 2 sin^2 B] sin^2 A – sin^2B sin (A + B) sin(A – B)
```
2 years 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