InterviewSolution
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| 1. |
`y=(sec x-tan x)/(sec x+tan x)`A. `2sec x(sec x-tan x)`B. `-2secx(sec x-tan x)^(2)`C. `2secx(sec x+tan x)^(2)`D. `-2secx(sec x+tan x)^(2)` |
| Answer» Correct Answer - D | |