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secondary 3 | A Maths
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Madeline
Madeline

secondary 3 chevron_right A Maths chevron_right Singapore

May I know how to expain part 2?

Date Posted: 11 months ago
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sstrike
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5567 answers (A Helpful Person)
Madeline
Madeline
11 months ago
Thank you so much. May I check with you, for part i, do I need to present the green/purple part using addition formula? Can I find R = sqrt(a^2 + b^2) straight away as stated in the textbook?
sstrike
Sstrike
11 months ago
Definitely can
Madeline
Madeline
11 months ago
Thank you for your help.