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secondary 4 | A Maths
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Anonymous
Anonymous

secondary 4 chevron_right A Maths chevron_right Singapore

how to prove using addition formula part c

Date Posted: 4 months ago
Views: 82
lesterine
Lesterine
4 months ago
you can change cotangent to 1/tangent and work from there!
Anonymous
Anonymous
4 months ago
does that mean the stuff inside the bracket would also flip?
Anonymous
Anonymous
4 months ago
like numerator and denominator flip
lesterine
Lesterine
4 months ago
actually, convert cot to cos/sin it’s easier

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lesterine
Lesterine's answer
120 answers (A Helpful Person)
1st
hope this helps u understand btr
Anonymous
Anonymous
4 months ago
ohhhh makes sense. thank you :))
lesterine
Lesterine
4 months ago
please take this as additional information since we are not using this for this question!!
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HiderApplecross
Hiderapplecross's answer
1321 answers (Tutor Details)
Hi, I provide 1 to 1 tuition, $60/1.5h, can cover English / Maths / Science, ex-school teacher, can produce teaching cert from NIE, WhatsApp 9033 8810 or email [email protected] :)
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lesterine
Lesterine's answer
120 answers (A Helpful Person)
hope this helps!