Ask Singapore Homework?

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



Question

secondary 3 | A Maths
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Silin
Silin

secondary 3 chevron_right A Maths chevron_right Singapore

Pls help me with this two question ASAP thx

Date Posted: 1 month ago
Views: 43

See 1 Answer

For part a), draw a triangle with sides 3 (O), 4 (A), 5 (H).
tan (a)=3/4, cos(a)=4/5, solve

For part b), draw a triangle with sides 13 (H), 12 (A), 5 (O)
cos(90-theta) = sin(theta) = 5/13
sin(90-theta) = cos(theta) = 12/13
tan(theta) = 5/12
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Elijah Seow
Elijah Seow's answer
22 answers (Tutor Details)
1st