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`        How do you solve the second question?….........................`
one year ago

## Answers : (1)

1730 Points
```							the above inequality is equivalent to proving the following inequality:sina(1 – cos(c+b))+sinb(1 – cosacosc)+sinc(1 – cosacosb) > 0 [merely exapnsion of given terms] obviously sina(1 – cos(c+b)) is greater than zerosinb(1 – cosacosc) is greater than zerosinc(1 – cosacosb) is greater than zero, as long as a b c are in 0 to pi/2.hence adding all these inequalities we get the required inequality.
```
one year 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