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Domain and Range of Trigonometric Functions

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  • Domain and Range of Trignometric Functions and Their Graphs

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Domain is the set of all those values at which a function is defined.
1) sin x- 
Domain- R 
Range- [-1,1]

2) cos x- 
Domain- R
Range- [-1,1]

3) tan x-
Domain- `"R"- {x:x= (2n+1)π/2,  n∈ "Z"}`
Range- `"R"`

4) cot x-
Domain- `"R"- {x:x= nπ, n∈ "Z"}`
Range- `"R"`

5) sec x-
Domain- `"R"- {x:x= (2n+1) π/2, n∈ "Z"}`
Range- `"R"- (-1,1)`

6) cosec x- 
Domain- `"R"- {x:x= nπ, n∈ "Z"}`
Range- `"R"- (-1,1)`

 

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