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junior college 1 | H2 Maths
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coral
Coral

junior college 1 chevron_right H2 Maths chevron_right Singapore

hello pls help!

Date Posted: 8 months ago
Views: 126

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Boy Mow Chau
Boy Mow Chau's answer
316 answers (Tutor Details)
1st
note ...

for (a), θ is small, but π/3+θ is not small.
have to use compound angle formula for tangent & then expand.

for part (b)(i), can change the ln equation to an exponential equation to make the subsequent differentiation easier.
coral
Coral
4 months ago
thank you!