May Min's answer to Sheeeeesh's Secondary 4 A Maths Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
For c, Use a^2 - b^2 = (a-b)(a+b) and cosec^2(A) - 1 = cot^2(A) to solve this eqn
Date Posted:
3 years ago