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secondary 4 | A Maths
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Kathy
Kathy

secondary 4 chevron_right A Maths chevron_right Singapore

Thank you

Date Posted: 5 years ago
Views: 210
Eric Nicholas K
Eric Nicholas K
5 years ago
I will give you my personal thoughts and insights into how to solve such identities for the questions in both posts.

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Arnold K H Tan
Arnold K H Tan's answer
2102 answers (A Helpful Person)
1st
Its preferred that you memorise the Pythagorean Trigonometric identities such as 1 + cot²A = cosec²A, etc
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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
Kathy, here are my insights into the two questions.