![\frac{cos \beta }{1 + sin \beta } + \frac{1 + sin \beta }{cos \beta } = 2sec \beta \frac{cos \beta }{1 + sin \beta } + \frac{1 + sin \beta }{cos \beta } = 2sec \beta](https://tex.z-dn.net/?f=+%5Cfrac%7Bcos+%5Cbeta+%7D%7B1+%2B+sin+%5Cbeta+%7D++%2B++%5Cfrac%7B1+%2B+sin+%5Cbeta+%7D%7Bcos+%5Cbeta+%7D++%3D+2sec+%5Cbeta+)
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in which standard you are in
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