CAPE Pure Mathematics Unit 1 · May/June 2001 · Paper 2 · Question 3(c)
Show that, for A ≠ π/2, sec A – tan A = tan (π/4 - A/2).
The mark scheme is shown once you've answered.
Practise this questionShow that, for A ≠ π/2, sec A – tan A = tan (π/4 - A/2).
The mark scheme is shown once you've answered.
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