CAPE Pure Mathematics Unit 1 · 2021 · Paper 2 · Question 3(b)
Given that cos A = 12/13, sin C = 5/13, where A and B are acute angles.
Calculate the value of cos(A - C).
The mark scheme is shown once you've answered.
Practise this questionGiven that cos A = 12/13, sin C = 5/13, where A and B are acute angles.
Calculate the value of cos(A - C).
The mark scheme is shown once you've answered.
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