HiderApplecross's answer to Su's Secondary 3 A Maths Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Hi, I provide 1 to 1 tuition, $70/1.5h, can cover English / Maths / Science, ex-school teacher, can produce teaching cert from NIE, WhatsApp 9033 8810 or email [email protected] :)
Date Posted:
3 years ago
Thank you for your help but I don't understand how cos 210 become -cos 30
^^For try 6 part (ii)
360 Tutoring Program