to find out

Asked by prasun bairagi | 4th Aug, 2012, 02:41: PM

Expert Answer:

We would request you to please ask one question at a time. The solution to your first question is as follows:
 
 
We know that the value of sin a and cos a lies between 0 and 1.
So, we have:

Answered by  | 6th Aug, 2012, 10:40: PM

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