Boy Mow Chau's answer to coral's Junior College 1 H2 Maths Singapore question.
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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.
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.
Date Posted:
1 year ago
thank you!
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