Petaling Jaya · Trigonometry

Trigonometry Tutoring for PJ IGCSE Add Math Students

Rig, founder of IGCSE Add Math Malaysia

Written by Rig, our founder

8 years teaching IGCSE & SPM maths · Updated 25 August 2026

Trigonometry is the second-biggest source of marks in 0606, and when a Petaling Jaya school teaches it at speed, students often finish with the formulae but not the routines that actually earn the marks. That is a fixable situation, because trig responds to focused practice better than almost any other topic.

The routines a fast class leaves loose

Trig in 0606 is a small set of question types, each with a reliable method:

  • Identity proofs: start from the busier side and use sin2θ+cos2θ=1\sin^2\theta + \cos^2\theta = 1.
  • Solving equations in a range: reduce to one ratio, factorise, and find every angle in the interval.
  • Solving equations in a given range: rearrange to a single ratio, then collect every solution the range allows.

A rushed class hands over the pieces but not the assembly. Rebuilding the assembly is quick, and because trig is method-heavy, the recovery is fast.

PJ logistics, taught online

For a catching-up student, the group-class pace is the problem, and the SS2 commute costs study time. Online 1-to-1 sits with your child through each routine, marking working against the mark scheme, with no travel.

Classes are RM80–90/hr in 1.5-hour sessions with a founder-vetted specialist. Start with a 1-hour trial class. Message us on WhatsApp with your child’s school and year.

More: Trigonometry notes · worked trig examples · PJ tutoring guide.

Common questions

My child has the trig formulae but can't apply them. Is that common?
Very, especially after a fast class that teaches the pieces without the assembly. Trig in 0606 is a set of fixed routines: which side to start an identity proof from, how to reduce an equation to one ratio, how to sweep the quadrants so no solution is missed. Once a student practises the assembly with feedback, the formulae they already know start earning marks. It's a method gap, not a knowledge gap.
How quickly can trig improve before an exam?
Faster than most topics, because its difficulty is the trainable, routine kind rather than deep conceptual work. A student who drills the standard question types, identity proofs, equations in a range, and graph work, with a specialist correcting the method, usually sees reliable gains within a few focused sessions. That makes it one of the best topics to target in the run-up to an exam.

Keep going

See the teaching work on your own child. Then decide.

Every student starts with a 1-hour trial class taught by the vetted tutor your child would actually have. Real teaching, a diagnostic on real exam questions, and a straight answer on the gap to target. One hour at your tutor's rate (RM80–90/hr), no package and no deposit, and you decide afterwards whether to book a weekly slot. Online anywhere in Malaysia.