Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.



Question

secondary 4 | A Maths
2 Answers Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
lana <3
Lana <3

secondary 4 chevron_right A Maths chevron_right Singapore

help integrate this pls

Date Posted: 1 year ago
Views: 213
J
J
1 year ago
∫(tan²x - x) dx

= ∫(sec²x - 1 - x) dx
(Recall that 1 + tan²x = sec²x so we can rewrite)

= tanx - x - x²/2 + c

or

tanx - x - ½x² + c

See 2 Answers

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Xavier Sng
Xavier Sng's answer
801 answers (A Helpful Person)
1st
Hope this helps. Regards
lana <3
Lana <3
1 year ago
helps lots , thanks !!!!
Xavier Sng
Xavier Sng
1 year ago
Great!
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Diana
Diana's answer
35 answers (A Helpful Person)
lana <3
Lana <3
1 year ago
helpful !! thank u <3