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`        The maximum and minimum value of the question cos²(45-x)+(sinx-cosx)²`
11 months ago

1672 Points
```							On expanding the entire term, we get(1+2sc)/2+ 1-2sc, where s and c are sinx and cosx.This is equal to 3/2-sc. But sc= sin2x/2. So it becomes(3-siny)/2, y=2xAs sinx lies in -1 to 1 so the above expression lies in 1 to 2. Hence minimum and maximum values are 1 and 2 respectively
```
11 months 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