Since,
![\[f\text{ }\left( x \right)\text{ }=\text{ }sec\text{ }x\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-774a714a89b98310e5a4536c0503848b_l3.png "Rendered by QuickLaTeX.com")
is a periodic function with period
![\[\pi .\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-c2862ad18f71a9ca9dc702696fb19c96_l3.png "Rendered by QuickLaTeX.com")
Therefore,
![\[f\text{ }\left( x \right)\text{ }=\text{ }3\text{ }sec\text{ }\left( x \right)\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-df130c9dee0d6b599535cf04151978d1_l3.png "Rendered by QuickLaTeX.com")
is a periodic function with period
Hence, we draw the graph of
in the interval
![\[\left[ 0,\text{ }\pi \right].\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-dde5082b7e75cc46f27d9a95f99e0305_l3.png "Rendered by QuickLaTeX.com")
The values of
at various points in
![\[\left[ 0,\text{ }\pi \right]\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-9ad7b2422aef6503ec2245c9b5d8b452_l3.png "Rendered by QuickLaTeX.com")
are listed below:
The curve is:
