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Consider the following for real numbers ...

Consider the following for real numbers `alpha, beta, gamma` and `delta`:
1. `sec alpha = 1//4`
2. `tan beta= 20`
3. `cosec gamma= 1//2`
4. `cos delta = 2 `
How many of the above statements are not possible ?

A

One

B

Two

C

Three

D

Four

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