If pi < theta < (3pi)/(2) and cos theta ...

If `pi < theta < (3pi)/(2)` and `cos theta = -3/5`, then `tan ((theta)/(4))` is equal to

`(sqrt(5) - 1)/(2)`

`(sqrt(5) + 1)/(2)`

`(-sqrt(5) - 1)/(4)`

`(-sqrt(5) + 1)/(4)`

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