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April 19, 2014

April 19, 2014

Posted by **Anonymous** on Wednesday, May 1, 2013 at 12:14am.

sin(siny) +cos(siny)

- maths---urgently needed -
**drwls**, Wednesday, May 1, 2013 at 6:34amsin y can take on values between -1 and 1.

For any value of siny between -1 and 1, the range of

sin(siny) + cosine(siny) is between

-sqrt2 and +sqrt2.

Extreme values of sin(siny) + cos(siny) occur where sin(siny) = cos(siny)

siny = +or- (sqrt2)/2

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