Question

1/(cot^2 (x)) - 1/(cos^2 (x))

Answer 1

`\\ \sf\longmapsto (1)/(cot^2x)-(1)/(cos^2x)`

`\\ \sf\longmapsto tan^2x-sec^2x`

`\\ \sf\longmapsto 1`

Answer 2

Explanation:

1 is your answer its law of trig identises