Question

plz integrate this fast ​

Answer 1

Answer:

-tan^2x

Step-by-step explanation:

The step by step solution is in attachment..

Answer 2

Answer:

tanx - x + c

Step-by-step explanation:

sec^2(x)/cosec^2(x)

=1/cos²x/1/sin²x

=sin²x/cos²x

=tan²x

=sec²x - 1          .......(1)

integrating (1) will give

tanx - x + c

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