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secondary 3 | A Maths
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Owen
Owen

secondary 3 chevron_right A Maths chevron_right Singapore

A math trigo

Date Posted: 1 week ago
Views: 32
Arnold K H Tan
Arnold K H Tan
1 week ago
Just apply R-angle formula... textbook has the formula and enough examples?
Owen
Owen
1 week ago
Our teacher didn't show us for fraction and we don't use the tb often but will try
Arnold K H Tan
Arnold K H Tan
1 week ago
Just use R-angle for the denominator... then substitute the result into the fraction... then analyse or reason out how the fraction affects the min / max.
Owen
Owen
1 week ago
Noted thankss

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Arnold K H Tan
Arnold K H Tan's answer
1712 answers (A Helpful Person)
1st
2d for your reference as to the thought process + presentation steps. 2c is similar. Good to have the sketch of the graph, for better understanding.
Owen
Owen
1 week ago
Thanks so much, it helped a lot
Arnold K H Tan
Arnold K H Tan
1 week ago
Welcome
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Arnold K H Tan
Arnold K H Tan's answer
1712 answers (A Helpful Person)
Just memorise this and apply, when needed