Sec² ∅ - tan² ∅ = 1Cosec² ∅ - cot² ∅ = 1Here given wrongly.plz correct

This question was asked in Misc 12

Sec² ∅ - tan² ∅ = 1

Cosec² ∅ - cot² ∅ = 1

Here given wrongly.plz correct it