If 15 tan square Φ + 4sec square Φ=23, then find the value of(sec Φ + cosecΦ)square -sin square Φ.

If 15 tan square Φ + 4sec square Φ=23, then find the value of(sec Φ

1.	If 15 tan square Φ + 4sec square Φ=23, then find the value of(sec Φ + cosecΦ)square -sin square Φ.
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