Eric Nicholas K's answer to Rachel's Secondary 3 A Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
We must draw out the triangle and use Pythagoras theorem and Toa cah Soh to obtain the expressions for Tan 35 and Tan 55. As for Tan 45, it’s a special angle case.
Rachel
Rachel
4 years ago
thank you so much!!