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Juan Set 2 Paper 1 · Q18

Paper 1Trigonometry

Let

a=sin⁡(40∘),b=sec⁡(40∘),c=tan⁡(40∘).a=\sin(40^\circ),\qquad b=\sec(40^\circ),\qquad c=\tan(40^\circ).

Which of the following is the correct ordering of aa, bb, and cc?

Aa<b<ca<b<c
Ba<c<ba<c<b
Cb<a<cb<a<c
Db<c<ab<c<a
Ec<a<bc<a<b

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