Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
secondary 4 | A Maths
One Answer Below
Anyone can contribute an answer, even non-tutors.
q5 pls thx:)
Date Posted: 6 years ago
Views: 273
See 1 Answer
hi i dont understand (b) of (ii) why l=pi/2-k
Cus the graph has symmetry
Y coordinate:
From 2 to 3 move 1 unit
From 8 to 7 also 1 unit
From 2 to 3 move 1 unit
From 8 to 7 also 1 unit
Means x coordinate:
0 to k must the same as l to pi/2
So k-0=pi/2-l
0 to k must the same as l to pi/2
So k-0=pi/2-l
360 Tutoring Program