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2 years ago

Purva Agrawal
34 Points
```							sin47 = cos (90-47)      cos 43= sin (90-43)           = cos 43.                         = sin 47 ✓(sin47/cos43)2 + (cos 43/sin 47) - 4cos245 = (1)2+(1)-4*(1/√2)2 =1+1-4*1/2 = 2-2= 0
```
2 years 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