Can someone explain this to me please?

Determine tanx if secx=(sqrt14)/2 and is in the second quadrant

How would I approach this because I am confused about the sqrt14 and when I did get tan, it was -0.098etc. or something with that.. if it's negative and decimals, can tanx be correct?

Determine tanx if secx=(sqrt14)/2 and is in the second quadrant

How would I approach this because I am confused about the sqrt14 and when I did get tan, it was -0.098etc. or something with that.. if it's negative and decimals, can tanx be correct?

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